Least

pieni

(of two or more animals or plants with the same name: the smaller or smallest)

vähin

(lowest in importance or status; most insignificant or unimportant)

vähiten

(in a degree below all others; in the lowest or smallest degree)

vähiten

(used to form superlatives of adjectives, especially those that do not form the superlative by adding -est)

pienin

(smallest in amount or extent)

vähin

(smallest in amount or extent)

vähäarvoinen

(lowest-ranking or most insignificant person or group of people)

vähiten

(smallest amount or extent of something)