tampion vs tompion

tampion and tompion both are nouns.

Word	Noun	Adjective	Verb	Adverb
tampion	Yes	No	No	No
tompion	Yes	No	No	No

As nouns, tampion and tompion are synonyms defined as:

tampion and tompion: plug for the muzzle of a gun to keep out dust and moisture

tampion (noun)	tompion (noun)
plug for the muzzle of a gun to keep out dust and moisture	plug for the muzzle of a gun to keep out dust and moisture