familiar
familiar is a valid 8-letter word worth 13 points in Scrabble and 15 points in Words with Friends.
What does familiar mean?
(usually followed by `with') well informed about or knowing thoroughly.
“familiar with the complex machinery”
“he was familiar with those roads”
Having mutual interests or affections; of established friendship.
“on familiar terms”
Well known or easily recognized.
“a familiar figure”
“familiar songs”
Within normal everyday experience; common and ordinary; not strange.
“familiar ordinary objects found in every home”
“a familiar everyday scene”
A spirit (usually in animal form) that acts as an assistant to a witch or wizard.
A friend who is frequently in the company of another.
A person attached to the household of a high official (as a pope or bishop) who renders service in return for support.