vex vs gravel

vex is not a noun while gravel is a noun.

Word	Noun	Adjective	Verb	Adverb
vex	No	No	Yes	No
gravel	Yes	No	Yes	No

As verbs, vex and gravel are synonyms defined as:

As verbs, vex and gravel are synonyms defined as:

vex and gravel: cause annoyance in; disturb, especially by minor irritations

Other synonyms of vex include annoy, bother, chafe, devil, get at, get to, irritate, nark, nettle, rag, rile.

vex (noun)	gravel (noun)
	rock fragments and pebbles

vex (verb)	gravel (verb)
be a mystery or bewildering to	be a mystery or bewildering to
subject to prolonged examination, discussion, or deliberation	cover with gravel
change the arrangement or position of	cause annoyance in; disturb, especially by minor irritations
cause annoyance in; disturb, especially by minor irritations
disturb the peace of mind of; afflict with mental agitation or distress