キョク ゴク 
きわ.める きわ.まる きわ.まり きわ.み き.める -ぎ.め き.まる 
() extremes () poles () very
           
ごく (adv) (1) (uk) quite, very, (n) (2) quindecillion (US), octillion (Europe), 10^48
きわまる (v5r,vi) to terminate, to reach an extreme, to take to the extreme, to be in a dilemma, to be at an end
きわみ (n) height, acme, extremity
きわめて (adv) exceedingly, extremely, decisively
きわめる (v1,vt) (1) to carry to extremes, to go to the end of something, (2) to investigate thoroughly, to master
きょくう (n,adj-no) extreme right
ごくらく (n) (1) (Buddh) Sukhavati (Amitabha's Pure Land), (2) paradise
ごっかん (n,adj-no) intense cold, mid-winter
きょくげん (n) utmost limits, limit
ごくじょう (adj-na,n,adj-no) first-rate, finest quality, the best
きょくせいゼロふっききろく (n) (comp) polarized return-to-zero recording, RZ(P)
きょくたん (adj-na,n) extreme, extremity
きょくど (adj-na,n) maximum, extreme, utmost, curvature
きょくとう (n,adj-no) Far East
ごくひ (adj-na,n,adj-no) absolute secrecy
きょくりょく (adv) to the utmost, to the best of one's ability

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字