rhythmicity vs lilt

rhythmicity and lilt both are nouns.

Word	Noun	Adjective	Verb	Adverb
rhythmicity	Yes	No	No	No
lilt	Yes	No	Yes	No

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

rhythmicity: the rhythmic property imparted by the accents and relative durations of notes in a piece of music
lilt: a jaunty rhythm in music

Other hyponyms of rhythmicity include meter, metre, time, cadence, cadency, swing.

rhythmicity (noun)	lilt (noun)
the rhythmic property imparted by the accents and relative durations of notes in a piece of music	a jaunty rhythm in music

rhythmicity (verb)	lilt (verb)
	articulate in a very careful and rhythmic way