helpful
supportive
accession
accessory
accompaniment
addenda
addendum
additament
addition
additive
additory
additum
adjunct
alterative
analeptic
ancillary
annex
annexation
appanage
appendage
appendant
appurtenance
appurtenant
assistant
assisting
attachment
attendant
augment
augmentation
auxiliary
carminative
coda
collateral
complement
complementary
concomitant
continuation
contributory
corollary
corrective
counterirritant
curative
emmenagogue
expectorant
extension
extra
extrapolation
adjutant
aid
aidance
aidant
aide
adjunctive
anticancer
antihypertensive
cell-based
collagen-induced
conformal
cytotoxic
first-line
low-dose
neoadjuvant
nephrogenic
pharmacologic
pharmacological
radionuclide
second-line
thiazolidinedione
thrombolytic