3 Old HSK word(s): ☊悲哀 ** C ☊哀悼 ** D ☊哀求 ** D
哀* * 默哀* * 致/志哀* *

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

致 send, deliver, present / cause
志 purpose, will, determination / annals
哀 sad, mournful, pitiful / pity
Hsk Characters: 哀 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
哀 54C0 + 哀 + + sad, mournful, pitiful / pity 口 哀 Mouth 哀 (TRAURIG) ai1 +

Korean:

哀 + 哀 슬플 애 (sad)
1 NHSK word(s): 悲哀* 6 bei1 ai1grieved/ sorrowful
KOREAN6000 word(s):
0 KOREAN 2500 New HSK words):
0 KOREAN Sentence(s):