fringe vs environ

fringe is a noun but environ is not a noun.

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

As verbs, environ is a hypernym of fringe; that is, environ is a word with a broader meaning than fringe:

Other hypernyms of fringe include border, ring, skirt, surround.

fringe (noun)	environ (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

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