unarmoured vs unarmored

unarmoured and unarmored both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unarmoured	No	Yes	No	No
unarmored	No	Yes	No	No

As adjectives, unarmoured and unarmored are synonyms defined as:

unarmoured and unarmored: (used of persons or things military) without protective armor

As adjectives, unarmoured and unarmored are synonyms defined as:

unarmoured (adjective)	unarmored (adjective)
(used of persons or things military) without protective armor	(used of persons or things military) without protective armor
used of animals; without protective covering	used of animals; without protective covering