ca·ni·ti·es^[1]

grey hair
old age

Synonyms for canities

senectus – dotage, old age
senium – decay, decline, deterioration, dotage, gloom, melancholy, old age

Similar to canities

caries – corruption, decay, rottenness
caballus – steed
cacumen – apex, peak
cadaver – corpse
cado – drop, plummet, to fall, topple
calamitas – calamity, disaster, loss, misfortune
calamitosus – disastrous
calamus – anything made or reed -- pen, arrow, pipe
caleo – be inflamed, to be warmed
caliga – darkness, gloom, mist