paraffin series vs paraffin

paraffin series and paraffin both are nouns.

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

As nouns, paraffin series and paraffin are synonyms defined as:

paraffin series and paraffin: a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)

Other synonyms of paraffin series include alkane, alkane series, methane series.

paraffin series (noun)	paraffin (noun)
a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)	from crude petroleum; used for candles and for preservative or waterproof coatings
	(British usage) kerosine
	a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)