environ vs fringe

environ is not a noun while fringe is a noun.

Word	Noun	Adjective	Verb	Adverb
environ	No	No	Yes	No
fringe	Yes	No	Yes	No

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

Other hyponyms of environ include gird, girdle, cloister, close in, enclose, inclose, shut in, hem in, cloister.

environ (noun)	fringe (noun)
	an ornamental border consisting of short lengths of hanging threads or tassels
	a border of hair that is cut short and hangs across the forehead
	a social group holding marginal or extreme views
	a part of the city far removed from the center
	one of the light or dark bands produced by the interference and diffraction of light
	the outside boundary or surface of something

environ (verb)	fringe (verb)
extend on all sides of simultaneously; encircle	decorate with or as if with a surrounding fringe
	adorn with a fringe