Cupid= romantic? marksman?
Cupid is a word there is no need to make it one.
Envelope is the answer.
envelope
Envelope.
Double-u
Eight is Light
Panorama is one such word.
one word LUDEN"S
One choice is the word peculiar.
envelopeAn envelope usually contains only one letter.
FIREWORK
There are no six-letter English words that end with "bun." However, there is one eight-letter word: honeybun.