tease vs let down

tease is a noun but let down is not a noun.

Word	Noun	Adjective	Verb	Adverb
tease	Yes	No	Yes	No
let down	No	No	Yes	No

tease (noun)	let down (noun)
the act of harassing someone playfully or maliciously (especially by ridicule); provoking someone with persistent annoyances
someone given to teasing (as by mocking or stirring curiosity)
a seductive woman who uses her sex appeal to exploit men

tease (verb)	let down (verb)
ruffle (one's hair) by combing the ends towards the scalp, for a full effect	fail to meet the hopes or expectations of
harass with persistent criticism or carping	move something or somebody to a lower position
mock or make fun of playfully
separate the fibers of
disentangle and raise the fibers of
raise the nap of (fabrics)
tear into pieces
annoy persistently
to arouse hope, desire, or curiosity without satisfying them