Boil

פוּרוּנְקֶל

furúnkel

(accumulation of pus)

רתיחה

retikha

(point at which fluid begins to change to a vapour)

הרתיח

hirtíakh

((transitive) heat (a liquid) until it begins to turn into a gas)

לוֹהֵט

lohet

(colloquial: of the weather, to be uncomfortably hot)