snigger vs British spelling

snigger and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
snigger	Yes	No	Yes	No
British spelling	Yes	No	No	No

snigger (noun)	British spelling (noun)
a disrespectful laugh	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

snigger (verb)	British spelling (verb)
laugh quietly