Denshi Jisho — Online Japanese dictionary

入り込む いりこむ 1: to go into; to come into; to penetrate; to get in; to step in (a house);
2: to become complicated
Godan verb with mu ending, Intransitive verb 
入り込む はいりこむ 1: to go into; to come into; to penetrate; to get in; to step in (a house);
2: to become complicated
Common word, Godan verb with mu ending, Intransitive verb 

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