Denshi Jisho — Online Japanese dictionary

あいがん caring for (esp. a pet or a small object); cherishing; being fond of; prizing; treasuring
Noun, Suru verb 
しょうがん appreciation; admiration; enjoyment
Noun, Suru verb 
もてあそぶ 1: (Usually written using kana alone) to play with (a toy, one's hair, etc.); to fiddle with;
2: to toy with (one's emotions, etc.); to trifle with;
3: to do with something as one pleases;
4: to appreciate
Godan verb with bu ending, Transitive verb 

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