instalment vs serial

instalment and serial both are nouns.

Word	Noun	Adjective	Verb	Adverb
instalment	Yes	No	No	No
serial	Yes	Yes	No	No

instalment (noun)	serial (noun)
the act of installing something (as equipment)	a serialized set of programs
a part of a broadcast serial	a periodical that appears at scheduled times
a part of a published serial

instalment (adjective)	serial (adjective)
	pertaining to or occurring in or producing a series
	pertaining to or composed in serial technique
	of or relating to the sequential performance of multiple operations
	in regular succession without gaps