heptane vs paraffin series

heptane and paraffin series both are nouns.

Word	Noun	Adjective	Verb	Adverb
heptane	Yes	No	No	No
paraffin series	Yes	No	No	No

As nouns, paraffin series is a hypernym of heptane; that is, paraffin series is a word with a broader meaning than heptane:

heptane: a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings
paraffin series: a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)

Other hypernyms of heptane include alkane, alkane series, methane series, paraffin.

heptane (noun)	paraffin series (noun)
a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings	a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)