scat vs flee

scat is a noun but flee is not a noun.

Word	Noun	Adjective	Verb	Adverb
scat	Yes	No	Yes	No
flee	No	No	Yes	No

As verbs, flee is a hyponym of scat; that is, flee is a word with a more specific, narrower meaning than scat:

Other hyponyms of scat include fly, take flight, skedaddle.

scat (noun)	flee (noun)
singing jazz; the singer substitutes nonsense syllables for the words of the song and tries to sound like a musical instrument

scat (verb)	flee (verb)
flee; take to one's heels; cut and run	run away quickly