Stems 3&4

Front

act

Back

do, drive

Front

cycl

Back

circle, wheel

Front

liber

Back

free

Front

pat(e)r

Back

father

Front

spec

Back

look, see, watch over

Front

proactive

Back

acting/doing in anticipation of future problems or needs

Front

transaction

Back

something exchanged or transferred, such as goods, services, or funds

Front

encyclopedia

Back

books which teach the whole 'circle' of knowledge

Front

unicycle

Back

a cycle with a single wheel, typically used by acrobats

Front

liberation

Back

the act of setting someone free from imprisonment, slavery, or oppression