knobkerry vs knobkerrie

knobkerry and knobkerrie both are nouns.

Word	Noun	Adjective	Verb	Adverb
knobkerry	Yes	No	No	No
knobkerrie	Yes	No	No	No

As nouns, knobkerry and knobkerrie are synonyms defined as:

knobkerry and knobkerrie: a short wooden club with a heavy knob on one end; used by aborigines in southern Africa

knobkerry (noun)	knobkerrie (noun)
a short wooden club with a heavy knob on one end; used by aborigines in southern Africa	a short wooden club with a heavy knob on one end; used by aborigines in southern Africa