inter-
between
trans-
across
transact
to do or carry on business
transfer
to move or change from one place to another
transfusion
the movement of blood from one person to another
transmit
to send from one person to another
interactive
able to act back and forth between people or things
interfere
to come between or to meddle in other people’s business
intermittent
off and on; stop and start
intersect
to cut or pass through, to cross
interval
time between two events
bisect
to cut in into two pieces
trisect
to cut into three pieces