極低温科学[kyokuteionkagaku] cryonics
高低[koutei] high and low
最低[saitei] least
最低血圧[saiteiketsuatsu] diastolic blood pressure
最低限[saiteigen] minimum

最低生活費[saiteiseikatsuhi] minimum cost of living
最低賃金[saiteichingin] minimum wage
最低賃金制[saiteichinginsei] minimum wage system
中低[nakabiku] hollow
超低価格[chouteikakaku] ultra-low cost

いい年をして[iitoshiwoshite] (in spite of) being old enough to know better
亥年[idoshi] year of the boar
一箇年[ikkanen] one year
一周年[isshuunen] one full year
一年以内に[ichineninaini] within a year

一年間[ichinenkan] (period of) one year
一年生[ichinensei] annual (plant)
一年草[ichinensou] annual (plant)
一年ぢゅう[ichinenjuu] all year round
一両年[ichiryounen] (a) year or two

最も[mottomo] most
最愛[saiai] beloved
最悪[saiaku] the worst
最下位のビット[saikainobitto] least significant bit
最外[saigai] outer-most

最寄[moyori] nearest
最期[saigo] one's last moment
最強[saikyou] strongest
最近[saikin] most recent
最恵国待遇[saikeikokutaiguu] most favored nation

加齢[karei] adding to one's years
学齢[gakurei] school age
月齢[getsurei] age of the moon
高齢[kourei] advanced (old) age
弱齢[jakurei] youth

寿齢[jurei] long life
樹齢[jurei] age of a tree
就学年齢[shuugakunenrei] school age
適齢期[tekireiki] marriageable age
年齢差[nenreisa] age difference