There is no one word that rhymes with headphones but you can combine words to rhyme with it like: dead zones and red stones. Or even a name like Ted Jones.
phone
Wwe 123
wonder head
boar head
head lice
Sloan Stone (as in Stone Phillips - news anchor)
suits and phone
phone,clone,and mone
phone card
head check? (you know, like a head count)
head slap
head