tweak vs tweet

tweak and tweet both are nouns.

Word	Noun	Adjective	Verb	Adverb
tweak	Yes	No	Yes	No
tweet	Yes	No	Yes	No

As verbs, tweet is a hypernym of tweak; that is, tweet is a word with a broader meaning than tweak:

Other hypernyms of tweak include nip, pinch, squeeze, twinge, twitch.

tweak (noun)	tweet (noun)
a squeeze with the fingers	A post on the social media site Twitter
	a weak chirping sound as of a small bird

tweak (verb)	tweet (verb)
adjust finely	To post a message on Twitter; post tweets, i.e. short text messages on the popular social media website Twitter
to be under the influence of methamphetamine	squeeze tightly between the fingers
pull or pull out sharply	make a weak, chirping sound
pinch or squeeze sharply