Denshi Jisho — Online Japanese dictionary

観察 かんさつ observation; survey
Common word, Noun, Suru verb 
観察 かんさつがん observing eye
Noun 
観察 かんさつしゃ observer
Noun 
観察 かんさつりょく powers of observation
Noun 
観察日記 かんさつにっき (nature, etc.) observation diary
Noun, Noun suffix 
観察的研究 かんさつてきけんきゅう observational study
Noun 

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