alkane vs amine

alkane and amine both are nouns.

Word	Noun	Adjective	Verb	Adverb
alkane	Yes	No	No	No
amine	Yes	No	No	No

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

alkane: a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
amine: a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals

Other hyponyms of alkane include butane, aminoalkane, C2H6, ethane, heptane, hexane, methane.

alkane (noun)	amine (noun)
a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)	a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals