outgrowth vs consequence

outgrowth and consequence both are nouns.

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

As nouns, consequence is a hypernym of outgrowth; that is, consequence is a word with a broader meaning than outgrowth:

outgrowth: a natural consequence of development
consequence: a phenomenon that follows and is caused by some previous phenomenon

Other hypernyms of outgrowth include effect, event, issue, outcome, result, upshot.

outgrowth (noun)	consequence (noun)
a natural prolongation or projection from a part of an organism either animal or plant	having important effects or influence
the gradual beginning or coming forth	the outcome of an event especially as relative to an individual
a natural consequence of development	a phenomenon that follows and is caused by some previous phenomenon