Castle
Another word for not old is young.
"Ancient" is another word for very old.
changing house
HomeSanctuaryBaseCrib'My Place'MansionTrailerHutDenShelter
Why do you need another word. Stop wasting our time. Call it a beach house and be done with it, little girl.
The word 'house' is a common noun, a general word for any house of any kind.The word 'old' is an adjective, a word used to describe a noun.The term 'old house' is a noun phrase, a group of words based on a noun that functions as a unit in a sentence as a noun.
House keeper
Another word for 40 year old is 4 decades. 8D
Another word for an old female cat is a grimalkin.
a tower, a house, a shelter...
shelter
Casa Apartamento