2st set of roots

ob

against (obdurate, obtrusive)

phil

love (philanthropist, philosophy)

plac

calm (complacent, placate)

re

back, again (relegate, renege)

sagac

wise (sagacious, sagacity)

sang

blood (sanguinary, sanguine)

sequ

follow (consequently, obsequious)

somn

sleep (insomnia, somnambulate)

tac/tic

be silent (reticent, tacit)

troph

feed/grow (autotroph, heterotroph)

ultim

last (penultimate, ultimate)

vener

respectful (venerable, venerate)

vit

life (vitality)

voc

voice (advocate, invocation)

vol

fly, wish (benevolent, volition)

aqua/aque

water (aquatic, aquarium)

bell

war (bellicose, antebellum)

bene/bon

good (benefactor, bonus)

chron

time (chronology, anachronism)

clud/clus/claus

shut, close (conclude, seclusion)

corp/corpor

body (corporation, corporeal)

doc/doct

teach (doctrine, docile)

luc/lum/lus

light (translucent, illuminate)

man/manu

hand (manual, manipulate)

mit/mis

send (transmit, dismiss)

mob/mot/mov

move (mobile, motion)

pater/patr

father (patriarch, patriot)

port

carry (transport, portable)

scop/spec/spic

to examine (telescope, spectator)

vid/vis

see, look (vision, envision)

struct/stru

build (structure, construct)

tang/tact/tig

touch (tactile, contract)

terra/terr

earth (terrain, terrestrial)