Roots

man-
hand
manicure, manuscript, manual, manufacture
ped-
foot
pedestrian, pedicure, pedal
psych-
mind
psycho, psychology, psychologist, psychic
dict-
say
dictionary, dictator, dictation, predict
scrib-, script-
write
scribble, scripture, manuscript, prescription
aud-
hear
audience, auditorium, audition, audio
cap-
head
decapitate, capital, captain
cardi-
heart
cardiologist, cardiac arrest, cardiovascular, cardiogram
corp-
body
corpse, corporation, corporal punishment
firm-
strong
confirm, affirm, infirmary
flex-, flect-
bend
flexible, reflection, deflect
form-
shape
deform, conform, transform, formation
scop-
see
microscope, scope, telescope, periscope
spec-
see
spectacle, spectator, inspect
vid-
see
video, videographer, evidence
terr-
land
territory, extra terrestrial, terrace
mar-
sea
marine, submarine, maritime
geo-
earth
geology, geography, geologist
pop-
poeple
population,popular,populace,pope
mater-,matr-
mother
maternity,maternal,matriarch
pater-,patr-
father
paternity,patriarch,paternal,patron