breathe (?) | (*dū-) | /duh |duh (ghost), dah (breath), diišat| disati (breathe), diišat( to breathe)| duvati (to blow)
bridge | *brīwā- (?)| brevno| brvno (body of tree used as a improvised bridge)
bright | *belo-, beleno- (?) | belii| belo (white)
brother | *brātīr | brat| brat - PIE*
brow | *bruwi- (?) | brovi| obrva - PIE*
burn | *teφ- | topit (sink) | topiti (melt)
- buttocks | *getto- (*gesdo- ??) | guza
- by | *φari | pored (by, next to)
- car | *kʷol-ō | kola - possibly derived from old words for wagon
- care | *maro- (??) | mariti
- carpenter's tool | *kantairV- (??) | kantar (weighing tool - scale)
circle | *kuro- (?) |krug| krug
-cleft | *bulko-, -ā | pukotina
-clothes | *wīs-kā- | veš < PIE *wēs-kā
cloak | *tonakā- (?) |tunika| tunika
coal | *goglo | ugl| ugalj
cough | *kʷasto | kasliat| kašalj
counter |*φrit- | protiv| protiv
( „counter-strike” - *φrit-gʷani- , and „counter-swear” - *writ-tung-e)
cow | *bou | bul| biik| vo (ox)
cuckoo | *kouko-, kukā | kukuška| kukavica - obviosuly based on sound bird produces
cultivated (*ploughed) land | *φolkā | pole| polje (field)
curly | *krikso| krivoj| krivo (not straight)
danger,illness | *gustu | gustoj| gustugusto (dense) - used also for difficult situations such as danger, tough illness
dark | *temeno | tama(darkness) , temno| tamno (dark)
daughter | *merkā | docurka (daugther in diminutive)| ćerka

less obvious:
buds | *bakl- (??) | fakel| baklja (torch)
-build | *dema- | temelj (foundation of buidling)
chin,cheek | *groudos | grudi| grudi (breast - also in males) - common point - part of body that is sticking out...
cloud | *neglo- (??) | mgla| magla (fog)
cream | *soimeno- (?) | semena|seme(no) (seed)
daughter | *genet(t)ā | žena| žena (wife, woman) - Celtic word sounds to me as a demunitive for word woman
day | *din | den| dan
dead | *marwo | mertvii| mrtvo
dear | *dreuto- / *drouto-, *drūto | dorogoi| drago
decay |*mrato | umeret| mreti (in process of dying)
deceive | *lug | lgat| lagati (to lie)
-deception | *kloφni- | klopka (trap)
deep | *dubno-, *dubni | gluboki| duboko
deer | *el-lant-ī- (?), *el-an-ī | olen| jelen
defecate | *kakk-āje/o | kakat| kaki(ti) (usually used for small children, babies)
depraved | *mallo | malii| malo (=little)
depth | *dubno-tero | glubina| dubina
-detach |*skart-āje/o | škartirati (throw away, reject) - could be loan perhaps germanic
-dirt; anger | *brokkV- / *brukko-, -ā- (?) | bruka (emberassment - which is in fact a word for dirt event that cause anger)
disgust | *gragni- (?) | groznii (threatening) grozno (disgusting), gadjenje (disgust), zgroziti se (to become disgusted)
-dog | *kwū, *kun | kuče, kuca (small dog), kuna (martel)
door, gate | *dworestu- (?) | dvor| dvorište (garden), dver| dveri (gate, door)
-double | *dwei-φlo | duplo
dough | *taisto | testo| testo
dove | *kolombo- (or <Lat.?) | golub| golub
drink | *φib-e/o- | piće (drink), pit| piti (to drink) - φ was so far always 'p'
druid |*derwo-wid- (?) | drvo | drevo (tree) + vid| vidit (vision|to see) - world was seen as a tree...druids were people able to see in the tree

not so obvious:
doctor | *lī(φ)agi- (??) | lekar| lekar
dawn | *wāsri | zaria| zora
- dig | *kʷal-e/o| kal (mud, ground)
- ditch | klado | klada (log) - guess due to bugs bunny cartoons but I always imagine ditch behind a log...


english | celtic | serbian
bed | *leg-jo, *legos | ležaj

(previously I used verb to explain similarity, stupidly didnot remember obvious and quite used word)

now, we can continue:

english | celtic | serbian
dry | krasto | krasta (dried blood on wound, scab, but in fact 'crust' would be proper word if english was more logical)
duty, goal | *adilo | cilj - to recognise this one you need to pronounce it...
dung | *kagVlo- (?) | kaljavo (dirty, muddy)
eagle | *ero-, *eruro | orao
ear | *ausos | uši (this is plural)
eat | *westi, *ed-e/o | jesti (to eat), jede (he,she eats) (already before there was 'w'->'j)
edge, bank | *brū | provalija (chasm)
egg |*owjo- (?) | jaje (again 'w' -> j)
elk (?, CW) | *lono | lane (baby deer)
enclosure | *skorā- (?) | kora (outer layer, crust)
enemy | nāmant | neman (monster, dangerous animal)
evening | *weskʷro-, uskʷro- (??)| veče(r) (evening), uskoro (soon)
excrement | *kakkā | kaka
eye | *okʷlo- | oko
fall | *φesti | pasti (to fall down)
fame | *klewos | čuven PIE
famous |*ati-gnāto | po-znat
fast | *bousano- (??) | brz, brzina (speed), ubrzano (accelerated)
fast (?) | *sφraxto | spretno (skillfully, ably)
father | *tato- (*tata?) | tata, tato (dad, daddy)

less obvious:
dwelling | *ad-rostu- (??) | odrasti (grow-up) - when we try to speak of places where we dwelled first one would be where we did grow up... and e.g. animals dwell on single place while they have youngsters, till they grow up...

dunk | *tumb-e | tumbati (to move or roll stg. around...) - dunk would be to move stg. around in a fluid...

eat | *φit-e/o | pita (pie)

empty | *wāsto | pusto (empty location), pustinja (desert) - but 'w' was so far mapping to 'j' or or 'v' ..though 'v' and 'p' are alike...

ebb | *trag-jo- (Br.), *trāgjo- (Ir.) | trag (trace) - ebb is about declining...when water is declaining there is trace of it... and traces were important to hunters...so in those time traces would be the key (and almost only) example of something declining with time...

dwelling-place | *adVbV- (??) | udobno (comfortable )

fight | *wixtā, *wīk-ā- (?) | bitka (battle), vika (shout)
fill | *φlīn-e/o | puniti (infinitiv, past time would be 'punio')
finger | *bissi- (?) | prst
flat stone | *(φ)likkā- (?) | ploča
flat-fish | *(s)lisd- (??) | riba (fish)- list
flee |*tekk-e/o- (?) | utekao (past time - „had run away”)
fleece | *knab-jā- (?) | kanap (rope)
flow | *leja- | lije (to flow down as e.g. rain or spilled fluid does)
foam | *φowen-o- (-ī-) (?) | pena
forehead | *talo | čelo
forest | *kaito | gaj
forest | *φro-sto | hrast (oak)
four- *kʷetru, *kʷetweres (m.), *kʷetesres (f.) | četiri, četvoro (n)...
full | *φlāno | puno
gift | *dāno | dano (given)
gift | *φro-dā- (?) | prodati (to sell), prodano (sold)
give | *dā- | da-ti
go | *(s)teig-e/ogo | stigao (has arrived)
go | *i-tā-(je/o-) (?)| ići, ide
going | *(s)tixtā | stići (arrive - infinitive), stiže (he/she arrives)
grain | *φitu | žito
grandmother |*nanī | nana (older related woman, e.g. sister of grandmother)
grey | *udro- (?) | modro (grayish blue, e.g. as in bruise)
grind |*mela-, *mel-e/o-, *mal-e/o- (?) | melje (he/she grinds), mleti (infinitive)
groan | *stan-je/o- (?), *stono | stenje (he/she groans), stenjati (infinitive)
grove, wood |*kʷristo | hrast (oak tree)

less obvious:
food | *mastjā | mast (fat), meso (meat)
group of mowers | *metelā |metla (broom)

hair | *blawi- (?) | plav (fair haired, otherwise word means blue color)
hair | *doklo | dlaka (hair - not as a whole but as one thread of it)
haste | *britso | brzo (fast)
haunch | *kostā- (??) | kost (bone)
healthy | *jakko | jako (strong, healthy)
heat | *gʷritu | goreti (to burn)
herb, plant | *lustu- | list (leaf)
hill | *brendo- (?) | brdo
hips | *akraitsā- | kraci (legs)
hit | *toraw- (?) | udara
hold | *derk- (??) | drži (hold), direk (riser, post, column)
horse | *ekwo | konj
horse | *kaballo | kobila (female horse)
horsehair | *rauno- (??) | runo (fleece, wool)
host | *dāmā-, *dāmo | dom (home)
host | *sloug-eto- (?) | sluga (servant), služiti (to serve)
hurry | *sφisk | spiskati (to spend stg. valuable e.g. money in a hurry, too fast)
illness | *balo | bolest
insult | *makljo- (?), *tambal- (?) | makljati (to beat), tamburati (to beat) - both are kind of slang words
jump | *skak | skok
knee | *kʷenno-glīno- | koleno
know | *gnā- (?) | znati
know | *weid | vid-eti (to see), vid (vision)
lament |*φari-kan-e | narikanje