Answer: affix

AnswerCrossword Clue
AFFIXAdd
affixto add on; attach
affixadded part
affixto attach (to join (to unite (to join together)))
affixprefix or suffix
AFFIXPaste or staple
AFFIXAttach, as a sticker
AFFIXAttach, as postage
AFFIXAdd at the beginning or end
AFFIXFasten (to)
AFFIXTack on
AFFIXFasten; attach
AFFIXSubjoin
AFFIXFasten.
AFFIXSubjoin.
AFFIXFasten
AFFIXBolt
AFFIXAppend, as a signature
AFFIXGlue on, maybe
AFFIXAttach firmly
AFFIXAttach securely
AFFIXGlue on
AFFIXPaste on, as a stamp
AFFIXStick on
AFFIXAppend
AFFIXPaste on
AFFIXAttach
AFFIXPin
AFFIXStaple or paste