addition, attachment

ACCESSORY
WordClue
PROupside, plus
SUMaddition of numbers
LOVEaffection, attachment
SIGNplus or minus
ANNEXaddition, an extension
EXTRAaddition
UPSIDEpro, plus
DEVOTIONattachment
INCREASEaddition, accumulating
AFFECTIONattachment, fondness
SUNGLASSESfashion accessory
SUPPLEMENTaddition
ANNEXaddition, an extension
SUMaddition of numbers