eagre vs British spelling

eagre and British spelling both are nouns.

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

eagre (noun)	British spelling (noun)
a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')