installment vs fascicle

installment and fascicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
installment	Yes	No	No	No
fascicle	Yes	No	No	No

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

Other hyponyms of installment include fascicule.

installment (noun)	fascicle (noun)
the act of installing something (as equipment)	a bundle of fibers (especially nerve fibers)
a part of a broadcast serial	an installment of a printed work
a part of a published serial
a payment of part of a debt; usually paid at regular intervals