meet vs regatta

meet and regatta both are nouns.

Word	Noun	Adjective	Verb	Adverb
meet	Yes	Yes	Yes	No
regatta	Yes	No	No	No

As nouns, regatta is a hyponym of meet; that is, regatta is a word with a more specific, narrower meaning than meet:

Other hyponyms of meet include gymkhana, race meeting, swim meet, swimming meet, track meet.

meet (noun)	regatta (noun)
a meeting at which a number of athletic contests are held	a meeting for boat races

meet (adjective)	regatta (adjective)
being precisely fitting and right

meet (verb)	regatta (verb)
contend against an opponent in a sport, game, or battle
fill, satisfy or meet a want or need or condition or restriction
be in direct physical contact with; make contact
come together
meet by design; be present at the arrival of
undergo or suffer
collect in one place
get together socially or for a specific purpose
get to know; get acquainted with
experience as a reaction
be adjacent or come together