struggle vs fence

struggle and fence both are nouns.

Word	Noun	Adjective	Verb	Adverb
struggle	Yes	No	Yes	No
fence	Yes	No	Yes	No

As verbs, fence is a hyponym of struggle; that is, fence is a word with a more specific, narrower meaning than struggle:

struggle (noun)	fence (noun)
strenuous effort	a barrier that serves to enclose an area
an energetic attempt to achieve something	a dealer in stolen property
an open clash between two opposing groups (or individuals)

struggle (verb)	fence (verb)
be engaged in a fight; carry on a fight	have an argument about something
to exert strenuous effort against opposition	surround with a wall in order to fortify
climb awkwardly, as if by scrambling	fight with fencing swords
make a strenuous or labored effort	enclose with a fence
	receive stolen goods