manor house vs manor

manor house and manor both are nouns.

Word	Noun	Adjective	Verb	Adverb
manor house	Yes	No	No	No
manor	Yes	No	No	No

As nouns, manor house and manor are synonyms defined as:

manor house (noun)	manor (noun)
the mansion of a lord or wealthy person	the mansion of a lord or wealthy person
	the landed estate of a lord (including the house on it)