Some years ago I compiled a list of words in the North Sindarin dialect, I thought to publish it here, feel free to correct any mistakes or add to the list. (I wish communities could have a Files section or a Wiki page to collect info like this). The common Sindarin form is given in brackets.

Pethbarm Mithrim
Wordlist of the Northern Sindarin Dialect
 
 
abonten (abonnen) "born after"
adlanta- (adlanna-) "to slope, slant"
anta- (anna-) "to give"
am (anw) "male"
banka- (banga-) "to trade"
bodh (baudh) "judgement"
bo! (baw!) "don't!"
cab (cadw) "shaped, formed"
cabor (cadwor) "shapely"
caem (caew) "lair"
cantas (cannas) "shaping"
côn (caun) "outcry, clamour"
cem (cef) "soil"
cemen (cefn) "earthen"
celemon (celevon) "of silver"
centan (cennan) "potter"
clôr (claur) "splendour, glory"
??cumn (cofn) "empty, void"
daedelum (daedelu) "canopy"
dancen (dangen) "slain"
danta- (danna-) "to fall"
danten (dannen) "fallen"
dôg (daug) "warrior, soldier"
dôr (daur) "pause, stop, league"
dum (daw) "night-time, gloom"
??dramn (drafn) "hewn"
drama- (drava-) "to hew"
dum (dû) "nightfall"
??dumwath (dúath) "darkness, shadow"
dumlinn (dúlinn) "nightingale"
elmellon (elvellon) "elf-friend"
eben (edwen) "second"
entas (ennas) "there, in that place"
erum (eru) "desert"
falm (falf) "foam, breaker"
fôn (faun) "cloud"
formen (forven) "north"
garam (garaf) "wolf"
gô (gaw) "void"
gildim (gildin) "silver spark"
glamra- (glavra-) "to babble"
glinta- (glinna-) "to glance at"
gobentas (gobennas) "history"
gobentathren (gobennathren) "historical"
gorm (gorf) "impetus, vigour"
govanten (govannen) "met"
gwanta- (gwanna-) "to depart, to die"
gwam (gwanw) "death"
gwôn (gwaun) "goose"
gwôr (gwaur) "soiled"
halm (half) "seashell"
hampa- (hamma-) "to clothe"
hampad (hammad) "clothing"
helm (helf) "skin"
hef (hethw) "foggy, obscure"
hif (hithw) "fog"
hîm (hîw) "sticky"
??iat.m (ianw) "yoke"
iô (iau) "corn"
iôr (iaur) "old"
lalm (lalf) "elm-tree"
lalmen (lalven) "elm-tree"
laman (lavan) "animal"
lemnui (lefnui) "fifth"
lum (lû) "time"
mô (maw) "soil, stain"
?naem (naew) "jaw"
nôr (naur) "flame"
??nôth (nauth) "thought"
??notha- (nautha-) "to conceive"
nev (nedhw) "bolster, cushion"
ným (nýw) "noose"
onta- (onna-) "beget"
panta- (panna-) "to open"
panta- (panna-) "to fill"
parm (parf) "book"
paf (pathw) "sward"
pôr (paur) "fist"
pum (paw) "sickness"
pentas (pennas) "history"
pentinor (penninor) "last day of the year"
prestanten (prestannen) "affected"
prestanteth (prestanneth) "affection, lenition"
?raem (raew) "fathom"
rov (raw) "bank"
?rô (raw) "lion"
remia- (revia-) "fly, sail"
rhôv (rhaw) "wilderness"
rhô (rhaw) "flesh, body"
rhumen (rhuven) "east"
rîm (rîw) "edge, hem, border"
romal (roval) "pinion"
rum (rû) "loud sound, trumpet-sound"
ruim (rui) "hunt, hunting"
saem (saew) "poison"
sov (saw) "juice"
suilanta- (suilanna-) "greet"
talam (talaf) "ground, floor"
taem (taef) "holder, socket, hasp"
talm (talf) "palm of hand"
talm (talf) "flatland"
tancada- (tangada-) "make firm, establish"
?tôr (taur) "king"
tôr (taur) "mighty, vast"
tamor (tavor) "woodpecker"
telum (telu) "dome"
têm (têw) "letter, sign"
thinta- (thinna-) "to fade"
thintas (thinnas) "shortness, short-mark on vowels"
tinta- (tinna-) "to glint"
tindum (tinnu) "dusk, twilight"
tim (tinw) "spark, star"
tuim (tuiw) "sprout, bud"
ylm (ylf) "drinking-vessel"