
1) Deck
Found on
https://www.crosswordclues.com/clue/ko

1) Tko
Found on
https://www.crosswordclues.com/clue/ko
[Korean surname] Ko (髙|高), also variously romanized Go, Koh, or Goh, is a common Korean family name. As of the 2000 South Korean census, there were 435,000 Kohs in South Korea, accounting for just under 1% of the population. Liaoyang (遼陽) based Go (高) family is The Royal of Goguryeo, Northern Yan ruler Gao Yun (高雲), Tang Dynas...
Found on
http://en.wikipedia.org/wiki/Ko_(Korean_surname)
[kana] こ, in hiragana, or コ in katakana, is one of the Japanese kana, each of which represents one mora. Both represent IPA. The shape of these kana comes from the kanji 己. This character may be supplemented by a dakuten; it becomes ご in hiragana, ゴ in katakana, and go in Hepburn romanization. Also, the pronunciation is affected, ...
Found on
http://en.wikipedia.org/wiki/Ko_(kana)

one of the four major schools of floral art in Japan. Dating from the Tokugawa period (1603–1868), the Ko school developed the shka style of the ...
Found on
http://www.britannica.com/eb/a-z/k/42

Confucius
Found on
http://www.encyclo.co.uk/local/20455

a long period of time, kalpa Skt.
Found on
http://www.encyclo.co.uk/local/20455

KO is the abbreviation of knockout
Found on
http://www.iluenglish.com/boxing-terms-explained-the-vocabulary-of-boxing/

knock out
Found on
http://www.noslang.com/dictionary/k/

KO is an abbreviation for Kick-off
Found on
http://www.probertencyclopaedia.com/N11.HTM

Ko is boxing slang for a knockout.
Found on
http://www.probertencyclopaedia.com/browse/ZK.HTM

Old or small
Found on
http://www.samuraisword.com/glossary/index.htm

Knock out. A fighter is knocked down and unconscious.
Found on
https://www.encyclo.co.uk/local/22726
No exact match found.