12 Old HSK word(s): ☊优点 ** B ☊优良 ** B ☊优美 ** B ☊优秀 ** B ☊优胜 ** C ☊优势 ** C ☊优越 ** C ☊优 ** D ☊优惠 ** D ☊优先 ** D ☊优异 ** D ☊优质 ** D
全优* * 养尊处优* *

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

养 raise, rear, bring up / support
尊 respect, revere, venerate / honor
处 place, locale / department
优 superior, excellent / actor
Hsk Characters: 优 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
优 4F18 + 優 + + superior, excellent / actor 人 尤 Man 尤 (BESONDERS) you1 +

Korean:

優 + 优 우수할 우 (to be excellent, better than the others) or 배우 우 (an actor)
9 NHSK word(s): 优点* 4 you1 dian3merit/ benefit/ strong point/ advantage/ CL:個|个[ge4] 优秀* 4 you1 xiu4outstanding/ excellent 优惠* 5 you1 hui4preferential/ favorable 优美* 5 you1 mei3graceful/ fine/ elegant 优势* 5 you1 shi4superiority/ dominance/ advantage 优胜劣汰* 6 you1 sheng4 lie4 tai4survival of the fittest 优先* 6 you1 xian1priority 优异* 6 you1 yi4exceptional/ outstandingly good 优越* 6 you1 yue4superior/ superiority
KOREAN6000 word(s):
5 KOREAN 2500 New HSK words):
优惠 + yōuhuì 특혜의. 우대의. teughyeui. udaeui.
优美 + yōuměi 우미하다. 우아하고 아름답다. umihada. uahago aleumdabda.
优势 + yōushì 우세. use.
优点 + yōudiǎn 장점. jangjeom.
优秀 + yōuxiù (품행이나 학업•성적 등이) 아주 뛰어나다. 우수하다. (pumhaeng-ina hag-eob•seongjeog deung-i) aju ttwieonada. usuhada.
3 KOREAN Sentence(s):
对团体有优惠吗？ + 그룹 할인이 있어요? keurub harini isseoyo?
对儿童有优惠吗？ + 어린이 할인이 있어요? eorini harini isseoyo?
对大学生有优惠吗？ + 학생 할인이 있어요? haksaeng harini isseoyo?