Action, Actor, React, Transact, Enact This means to act

-Act-

Audience, Auditorium, Audible, Audition this means to hear

-Aud-

Biology, Biography, Biofeedback, Bionics this means life

-Bio-

Credit, Discredit, credible, credulous this means belive or trust

-cred-

Democracy, Democrat, Demographics this means people

-dem-

Dictate, Predict, Contradict,verdict,diction this means speack or say

-dic-

Geography, Geology this means earth

-geo-

Autograph, paragraph, phonograph,photograph,telegraph this meansWrite, draw

--graph-

allocate,,locate,location this means

place

-loc-

Manual,maunufacture, manuscript,manipulate, manicure. thismeans hand

-Man-

Pedal,pedicure,pedestrian, pedestal. this means foot

-Ped-

Population,popular,populance. this means people: nation

-Pop-

Import,export, portable, porter, transport this means carry

-Port-

Insignia,signal,significant, signature. this means

mark;sign

-sign-

Inspect,respect,spectacle,suspect. this means

See or look at

-spect- -spec-

Attract,detract,contract,subtract,traction,tractor. this means Pull or drag

-tract-

Evidence,video,provide,provedence, visible. this means see or look

-vid-vis-

evolve ,invole,revolver,revoluton this means sound

-volv- -volu-