indicator, indicant, exponent, power, index finger, forefinger, index number, subindex, ndex, reindex, more...

appendix, supplement, addendum, continuation, annex

stock, bond, commodity, real estate, cryptocurrency, more...

refractive, high, general, subject, low, alphabetical, composite, therapeutic, single, cardiac, cephalic

pointing words,   assign indexes,   to catalogue,   pinky or pointer,   trend indicator,   list in