"Domesticated" is either the past indicative or past participle form of the verb "domesticate". The past participle often functions in a sentence as an adjective, as in the sentence, "Domesticated animals generally have greater economic value to humans than do wild animals."
The word domestic is an adjective. It can also be a noun as another word for a maid or servant.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
Slavery
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "twirl" is a verb.
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.