thought
it means pain only exists if you want it to exist
sentient
Slender Man.
Solipsism
Mythological means existing only in the imagination so, by definition, no mythological creature really exists.
Sonic, of course. Freddy only exists in your mind.....
Hygiene is a seven letter word and it means cleanliness.
George Berkeley is a prominent proponent of idealism. He believed that reality exists in the mind and that objects only exist when perceived. This contrasts with materialism, which posits that the physical world is all that exists.
Pennsylvania come to mind
Jot is the only one thaht comes to mind.
The word AUDIO comes to mind.
The letter "w" exists in Spanish, but all of the "w" words are borrowed from another language.