Common words that rhyme with adjacent include complacent, magnificent, luminescent, phosphorescent, lucent, concupiscent, decent, innocent, senescent, translucent, evanescent, moment, endearment, enjoyment and consent.
He became complacent in his success.
I read a recent article today.
The view from the mountain was magnificent.
He earns a decent salary here.
He has such a strong accent.
The innocent child smiled brightly.