11 Old HSK word(s): ☊巩固 ** B ☊坚固 ** C ☊固定 ** C ☊固然 ** C ☊固体 ** C ☊牢固 ** C ☊顽固 ** C ☊凝固 ** D ☊固有 ** D ☊固执 ** D ☊根深蒂固 ** D
固* * 加固* * 老顽固* * 稳固* *

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

稳 stable, firm, solid, steady
固 to become solid, solidify / strength

Hsk Characters: 固 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
固 56FA + 固 + + to become solid, solidify / strength 囗 固 Enclosure 固 (VERFESTIGEN) gu4 +

Korean:

固 + 固 굳을고 (굳다: hard, firm, fixed)
11 NHSK word(s): 固定* 5 gu4 ding4fixed/ set/ regular 固体* 5 gu4 ti3solid 巩固* 6 gong3 gu4to consolidate/ consolidation/ to strengthen 固然* 6 gu4 ran2admittedly (it's true that...) 凝固* 6 ning2 gu4to freeze/ to solidify/ to congeal/ fig. with rapt attention 固有* 6 gu4 you3intrinsic to sth/ inherent/ native 固执* 6 gu4 zhi5persistent/ stubborn 顽固* 6 wan2 gu4stubborn/ obstinate 牢固* 6 lao2 gu4firm/ secure 根深蒂固* 6 gen1 shen1 di4 gu4deep-rooted (problem etc) 坚固* 6 jian1 gu4firm/ firmly/ hard/ stable
KOREAN6000 word(s):
1 KOREAN 2500 New HSK words):
固定 + gùdìng 고정되다. 불변하다. gojeongdoeda. bulbyeonhada.
0 KOREAN Sentence(s):