invert vs turn back

invert and turn back both are verbs.

Word	Noun	Adjective	Verb	Adverb
invert	No	No	Yes	No
turn back	No	No	Yes	No

As verbs, invert and turn back are synonyms defined as:

Other synonyms of invert include reverse.

invert (verb)	turn back (verb)
turn inside out or upside down	go back to a previous state
make an inversion (in a musical composition)	turn inside out or upside down
reverse the position, order, relation, or condition of	hold back, as of a danger or an enemy; check the expansion or influence of
	retrace one's course
	force to go away; used both with concrete and metaphoric meanings