fight vs drive back

fight is a noun but drive back is not a noun.

Word	Noun	Adjective	Verb	Adverb
fight	Yes	No	Yes	No
drive back	No	No	Yes	No

As verbs, drive back is a hyponym of fight; that is, drive back is a word with a more specific, narrower meaning than fight:

fight (noun)	drive back (noun)
a hostile meeting of opposing military forces in the course of a war
the act of fighting; any contest or struggle
a boxing or wrestling match
an aggressive willingness to compete
an intense verbal dispute

fight (verb)	drive back (verb)
be engaged in a fight; carry on a fight	force or drive back
fight against or resist strongly
make a strenuous or labored effort
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for