(verb): to twist into an abnormal shape

con (with) + tort (twist)

The actor contorted her face into an evil grin and scared the audience.

(verb): to draw toward, to arouse interest

at (to) + tract (pull)

The spilled sugar attracted flies and ants.

(verb): to teach or to cause to do something

train (pull)

Yvette trained her dog to perform tricks.

(noun): a formal agreement

treat (pull) + y (noun. condition)

The rebels and the new government signed a treaty calling for peace.

(verb) to make one, to join together

unite (one)

The two small companies united and became one large business.

(noun): at the same time, at the same pitch

uni (one) + son

The two singers sang in unison.

(adjective): empty, not occupied, free

vac (empty) + ant (adj. indication)

The hotel has only one vacant room left.

(noun): empty space, isolation from outside influence

vacu (empty) + um

Some people seem to live in a vacuum, and they have no knowledge of current events.

(verb): to assemble, to come together

con (together) + vene (come)

The meeting convened at 2:00 p.m. and lasted until 5:00 p.m.

(verb): to create through thought or imagination

in (into) + vent (come)

Alexander Graham Bell invented the telephone and other devices.

(verb): to act ahead of, to keep from happening

pre (before) + vent (come)

Lamont prevented a distructive fire by calling the fire department the moment he smelled smoke.

(verb): to confirm that something is true

ver (true) + ify (verb. cause)