28 Old HSK word(s): ☊突然 ** A ☊忽然 ** A ☊然后 ** A ☊虽然 ** A ☊当然 ** A ☊显然 ** B ☊仍然 ** B ☊必然 ** B ☊然而 ** B ☊果然 ** B ☊自然 ** B ☊既然 ** B ☊不然 ** B ☊要不然 ** C ☊猛然 ** C ☊固然 ** C ☊偶然 ** C ☊依然 ** C ☊天然 ** C ☊天然气 ** C ☊大自然 ** C ☊竟然 ** C ☊居然 ** C ☊泰然 ** D ☊理所当然 ** D ☊毅然 ** D ☊茫然 ** D ☊公然 ** D
昂然* * 盎然* * 安然* * 黯然* * 岸然* * 傲然* * 不以为然* * 不自然* * 怅然* * 超然* * 超自然* * 诚然* * 春意盎然* * 猝然* * 淡/澹然* * 道貌岸然* * 断然* * 愕然* * 防患于未然* * 反之亦然* * 果不其然* * 悍然* * 哗然* * 豁然* * 截然* * 孑然* * 决然* * 绝然* * 岿然* * 毛骨悚/耸然* * 贸然* * 冒然* * 漠然* * 默然* * 飘飘然* * 清新自然* * 趣味盎然* * 然* * 任其自然* * 顺其自然* * 坦然* * 听其自然* * 徒然* * 枉然* * 惘/罔然* * 巍然* * 想当然* * 欣然* * 俨然* * 一目了然* * 悠然* * 再不然* * 骤然* * 自然* * 纵然* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

纵 indulge in, give free reign to
然 yes, certainly / pledge, promise

Hsk Characters: 然 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
然 7136 + 然 + + yes, certainly / pledge, promise 火 然 Fire 然 (SO_WIE_DAS_DA) ran2 +

Korean:

然 + 然 그러할 연 (거러하다: to be such and such, to be natural)
26 NHSK word(s): 突然* 3 tu1 ran2sudden/ abrupt/ unexpected 虽然* 3 sui1 ran2although/ even though/ even if 然后* 3 ran2 hou4after/ then (afterwards)/ after that/ afterwards 当然* 3 dang1 ran2only natural/ as it should be/ certainly/ of course/ without doubt 忽然* 4 hu1 ran2suddenly/ all of a sudden 自然* 4 zi4 ran2nature/ natural/ naturally 果然* 4 guo3 ran2really/ sure enough/ as expected 然而* 4 ran2 er2however/ yet/ but 既然* 4 ji4 ran2since/ as/ this being the case 竟然* 4 jing4 ran2unexpectedly/ to one's surprise/ in spite of everything/ in that crazy way/ actually/ to go as far as to 仍然* 4 reng2 ran2still/ yet 不然* 5 bu4 ran2not so/ no/ or else/ otherwise/ if not 显然* 5 xian3 ran2clear/ evident/ obvious(ly) 偶然* 5 ou3 ran2incidentally/ occasional/ occasionally/ by chance/ randomly 依然* 5 yi1 ran2still/ as before 必然* 5 bi4 ran2inevitable/ certain/ necessity 居然* 5 ju1 ran2unexpectedly/ to one's surprise/ go so far as to 公然* 6 gong1 ran2openly/ publicly/ undisguised 固然* 6 gu4 ran2admittedly (it's true that...) 恍然大悟* 6 huang3 ran2 da4 wu4to suddenly realize/ to suddenly see the light 要不然* 6 yao4 bu4 ran2otherwise/ or else/ or 茫然* 6 mang2 ran2ignorant/ to have no knowledge of sth 一目了然* 6 yi1 mu4 liao3 ran2obvious at a glance (idiom) 毅然* 6 yi4 ran2firmly/ resolutely/ without hesitation 理所当然* 6 li3 suo3 dang1 ran2as it should be by rights (idiom)/ proper and to be expected as a matter of course/ inevitable and right 天然气* 6 tian1 ran2 qi4natural gas
KOREAN6000 word(s):
15 KOREAN 2500 New HSK words):
虽然 + suīrán 비록A 하지만 B하다. bilogA hajiman Bhada.
必然 + bìrán 필연적이다. pil-yeonjeog-ida.
不然 + bùrán 그렇지 않으면. 아니면. geuleohji anh-eumyeon. animyeon.
果然 + guǒrán 과연. 아니나다를까. 생각한대로. gwayeon. aninadaleulkka. saeng-gaghandaelo.
忽然 + hūrán 갑자기. 홀연. 별안간. 돌연. 문득. 어느덧. gabjagi. hol-yeon. byeol-angan. dol-yeon. mundeug. eoneudeos.
居然 + jūrán 뜻밖에. 놀랍게도. 예상 외로. 생각 밖으로. 의외로. tteusbakk-e. nollabgedo. yesang oelo. saeng-gag bakk-eulo. uioelo.
偶然 + ǒurán 우연히. 뜻밖에. 간혹. uyeonhi. tteusbakk-e. ganhog.
显然 + xiǎnrán (상황이나 이치가) 명백하다. 분명하다. 뚜렷하다. (sanghwang-ina ichiga) myeongbaeghada. bunmyeonghada. ttulyeoshada.
依然 + yīrán 여전하다. 의연하다. 전과 같다. 그대로이다. 한결같다. yeojeonhada. uiyeonhada. jeongwa gatda. geudaeloida. hangyeolgatda.
竟然 + jìngrán 뜻밖에도. 의외로. 상상 외로. 놀랍게도. ['居然(jūrán)'에 상당함] tteusbakk-edo. uioelo. sangsang oelo. nollabgedo. ['geoyeon(jūrán)'e sangdangham]
既然 + jìrán ...된 바에야. ...인(된) 이상. ...만큼. [흔히 '就(jiù)'•'也(yě)... ...doen ba-eya. ...in(doen) isang. ...mankeum. [heunhi 'chwi(jiù)'•'ya(yě)...
然而 + rán'ér 그러나. 하지만. 그렇지만. geuleona. hajiman. geuleohjiman.
仍然 + réngrán 변함없이. 여전히. 아직도. 원래대로. byeonham-eobs-i. yeojeonhi. ajigdo. wonlaedaelo.
自然 + zìrán 자연. jayeon.
当然 + dāngrán 당연하다. 물론이다. dang-yeonhada. mullon-ida.
5 KOREAN Sentence(s):
我也喜欢这里的自然风光 。 + 그리고 경치도 마음에 들어요. keurigo kyeong-chido ma-eume deu-reoyo.
然后您往前直走一段。 + 그런 다음 한참을 직진 하세요. keureon da-eum han-chameul jikjin haseyo.
然后您向右走一百米。 + 그런 다음 오른쪽으로 백 미터 가세요. keureon da-eum oreun-cho-geuro baeng miteo kaseyo.
当然是纯皮的了。 + 당연히 가죽이죠. dangyeonhi kajugijyo.
当然了。 + 물론이죠. mu-llonijyo.