assistance payment;  subsidiary aid
 training wheels;  stabilizers
 auxiliary device;  auxiliary equipment
 nutritional supplement;  dietary supplement
 auxiliary seat;  booster seat;  baby seat
 auxiliary storage;  secondary storage
 assisted reproductive technology;  ART
 external storage;  auxiliary storage
 supplementary kanji;  5,801 kanji coded in JIS X 0212 to supplement those in JIS X 0208
 walker;  walking frame;  Zimmer;  Zimmer frame
 subsidiary verb (in Japanese);  auxiliary verb
 subsidiary coin;  subsidiary money
 government subsidy;  state aid;  state assistance
 prefixed unit of measurement (i.e. millimeter, kilogram, etc.);  supplementary SI unit (radian and steradian)
 auxiliary seat;  booster seat;  baby seat
 auxiliary inflecting word;  in Japanese, auxiliary verbs and adjectives
 assisted reproductive technology;  ART
 fractional currency (e.g. cents, pence)
 classical form of i-adjective inflection formed by contraction of the "ku" adverbial form with the classical verb "ari" ("aru")
 left ventricular assist device;  LVAD
 auxiliary inflecting word (in Japanese)
 auxiliary intervention (in a lawsuit)
 supplementary symbol (number, punctuation, etc.)
 subsidiary adjective (in Japanese);  auxiliary adjective
 health supplement;  dietary supplement
 quit-smoking drug;  smoking-cessation aid;  stop-smoking medication
 supplementary symbol (number, punctuation, etc.)