SAT R&W Word Stems

Roots

• ambu means move

• andro means man

• anthro means human

• bellu means fight

• clam means shout

• clin means bend

• cred means trust

• fract means break

• gnos means knowledge

• grad means to go

• greg means group

• gyn means female

• her means to stick

• jac means to throw

• ject means to throw

• lum means light

• meta means change

• morph means shape

• narco means sleep 

• oper means work

• pac means calm 

• plac means calm

• phon means sound

• senti means emotion or feeling

• somn means sleep

• son means sound

• soph means wise

• spec means look 

• term means end

• theo means god 

• ven means come

• vid means to see 

• voc means call

• vol means will (intent)

Prefixes

• A-/An- means without

• Ab- means away

• Ad- means toward

• Anim- means mind or spirit

• Ante- means before

• Anti- means against or opposite of

• Auc- means increase

• Aug- means increase

• Aud- means hear

• Aur- means hear

• Auto- means self

• Ben- means good

• Bon- means good

• Circum- means around

• Co- means joint or together

• Con- means with

• Contra- means against or opposite 

• De- means separation or negation

• Hyper- means over or excess

• Hypo- means beneath or below

• Inter- means between or among

• Intra- means within or inside

• Ir- means not

• Mal- means bad or wrongful

• Post- means behind or after

• Pre- means before

• Pro- means forward movement or advancement

• Se- means apart

• Sub- means below, secondary, or part of

• Super- means above or excess 

• Syn- means with or together

• Trans- means across or through

• Ultra- means beyond or on the far side of

• Vice- means in place of

Suffixes

• -able means capable of

• -ate means make or function

• -cess means move or yield

• -cede means move or yield

• -cide means to kill

• -cis means shorten

• -ette means feminine role or smaller form

• -ist means a person related to something

• -logy means the study of something

• -ology means the study of something

• -ous means full of