gravel vs nettle

gravel and nettle both are nouns.

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

As verbs, gravel and nettle are synonyms defined as:

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

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

gravel (noun)	nettle (noun)
rock fragments and pebbles	any of numerous plants having stinging hairs that cause skin irritation on contact (especially of the genus Urtica or family Urticaceae)

gravel (verb)	nettle (verb)
be a mystery or bewildering to	cause annoyance in; disturb, especially by minor irritations
cover with gravel	sting with or as with nettles and cause a stinging pain or sensation
cause annoyance in; disturb, especially by minor irritations