girdle vs environ

girdle is a noun but environ is not a noun.

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

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

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

girdle (noun)	environ (noun)
a woman's close-fitting foundation garment
a band of material around the waist that strengthens a skirt or trousers
an encircling or ringlike structure

girdle (verb)	environ (verb)
put a girdle on or around	extend on all sides of simultaneously; encircle
cut a girdle around so as to kill by interrupting the circulation of water and nutrients