addition Synonyms - page 3
affixation
upgrowth
trover
trigonometry
transubstantiation
transposal
total
tailpiece
syncretism
syneresis
swimmeret
surcharge
vermiform
waxing
arithmetic operation
fluoridation
habit-forming
addend
annexe
figurer
procural
obtention
step-up
buildup
widening
supplementation
magnification
coadunation
appendicle
appendant
appendance
append
appending
apostil
another
amplification
ampliation
ampersand
apposition
appurtenance
arithmetic
centralization
broadening
boost
bonus
beyond
besides
benefit
augmenter
abetment