Check every single garment, carpet, upholstered chair and sofa!
In other words spring clean.
Until you find where the moths have laid their eggs, you will never be rid of the problem. it is the larvae that eat cloth, not the adult moth.
Anything that looks like cigarette ash in the bottom of drawers, suitcases or under carpets is an indication that ´moths have been breeding.
Washing woolies or putting them in the freezer is fine, but moths don't only go for wool - they eat fur as well and when they cannot find wool of fur for their young to devour, they will settle for velvet, silk, cotton and linen.
Unfortunately, you can't put a carpet in the freezer, so any carpet with bare patches that you know were not caused by chair legs needs to go OUT.