get at vs nettle

get at is not a noun while nettle is a noun.

Word	Noun	Adjective	Verb	Adverb
get at	No	No	Yes	No
nettle	Yes	No	Yes	No

As verbs, get at and nettle are synonyms defined as:

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

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

get at (noun)	nettle (noun)
	any of numerous plants having stinging hairs that cause skin irritation on contact (especially of the genus Urtica or family Urticaceae)

get at (verb)	nettle (verb)
cause annoyance in; disturb, especially by minor irritations	cause annoyance in; disturb, especially by minor irritations
reach or gain access to	sting with or as with nettles and cause a stinging pain or sensation
influence by corruption