極極

ごくごく

extremely, highly

極楽極楽

ごくらくごくらく

It's absolute heaven, It's sheer bliss

極意

ごくい

deepest level (of an art, skill, etc.), secret teachings, mysteries, innermost secrets, the secret (of success, etc.)

極暑

ごくしょ ごく しょ

intense heat, hottest season, peak of summer's heat

太極

たいきょく

taiji (in Chinese philosophy, the principle that embodies all potential things, incl. time and space)

極月

ごくげつ

last month of the year, December

極太

ごくぶと

very thick, something extremely thick

寒極

かんきょく さむごく

a place of extreme cold

極量

きょくりょう

maximum dose

極論

きょくろん

extreme logic, extreme argument, unreserved argument

極左

きょくさ

extreme left, ultraleft

極流

きょくりゅう

polar current

極希

ごくまれ

extremely rare

極刑

きょっけい

capital punishment, extreme penalty, ultimate punishment

極薄

きょくはく ごくうす

ultrathinness

至極

しごく

very, extremely, exceedingly, quite, most

極洋

きょくよう

polar seas

極力

きょくりょく

to the utmost, to the best of one's ability

極光

きょっこう きょくこう

northern or southern lights, aurora borealis or australis