consequence vs sequella

consequence and sequella both are nouns.

Word	Noun	Adjective	Verb	Adverb
consequence	Yes	No	No	No
sequella	Yes	No	No	No

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

consequence: the outcome of an event especially as relative to an individual
sequella: a secondary consequence

Other hyponyms of consequence include corollary, comeupance, comeuppance, just deserts, poetic justice, fruit, train, payoff, reward, wages.

consequence (noun)	sequella (noun)
having important effects or influence	a secondary consequence
the outcome of an event especially as relative to an individual
a phenomenon that follows and is caused by some previous phenomenon