Answer: addon

AnswerCrossword Clue
ADDONSuffix
ADDONBuilding wing, e.g.
ADDONNew wing
ADDONEnlarge a house
ADDONWrite a codicil
ADDONWing
ADDONRider
ADDONCodicil, e.g.
ADDONBuilding wing
ADDONExpand
ADDONEnlargement
ADDONAttach an ell
ADDONArchitectural afterthought
ADDONIncrease stitches
ADDONLengthen
ADDONWrite a p.s.
ADDONExtend
ADDONKnitting instruction.
ADDONEnlarge.
ADDONAfter-market item
ADDONSupplementary item
ADDONSupplemental item
ADDONHome improvement
ADDONBuild a new room, say
ADDONEnlarge the house
ADDONExtra device
ADDONResidence afterthought
ADDONEnlarge as a room
ADDONAfter-market purchase
ADDONAttach.
ADDONComputer peripheral, e.g.
ADDONSupplementary feature
ADDONEnlarge the house, say
ADDONBuild a new room
ADDONCramped handyman's project
ADDONOption
ADDONSoftware plug-in
ADDONBuild a new wing, say
ADDONComputer accessory
ADDONEnhancement