Denshi Jisho — Online Japanese dictionary

個 こ 1: counter for articles;
2: counter for military units;
3: individual
Common word, Counter 
個 か counter for the ichi-ni-san counting system (usu. directly preceding the item being counted); a noun read using its on-yomi
Counter 
個 ち counter for the hito-futa-mi counting system (forming hitotsu, futatsu, mitsu, and misoji, yasoji, etc.)
Out-dated or obsolete kana, Counter, Usually written using kana alone 
個 ぢ counter for the hito-futa-mi counting system (forming hitotsu, futatsu, mitsu, and misoji, yasoji, etc.)
Out-dated or obsolete kana, Counter, Usually written using kana alone 
個 つ counter for the hito-futa-mi counting system (forming hitotsu, futatsu, mitsu, and misoji, yasoji, etc.)
Counter, Usually written using kana alone 
個個 ここ individual; one by one; separate
Noun, No-adjective 
一個 いっこ piece; fragment; one (object)
Common word, Noun 
数個 すうこ several (objects, usu. from two to six)
Common word, Noun 
別個 べっこ another; different; separate; discrete
Common word, Na-adjective, No-adjective 
各個 かっこ every one; each
Noun 
好個 こうこ excellent; fine; pertinent
Noun 
真個 しんこ real; true
Na-adjective, Adverbial noun, Temporal noun 
何個 なんこ how many pieces
Noun 
複数個 ふくすうこ multitude
Noun 
有限個 ゆうげんこ countable
Noun 

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