Denshi Jisho — Online Japanese dictionary

にゅうしゃ entry to a company
Common word, Noun, Suru verb 
にゅうしゅ obtaining; coming to hand
Common word, Noun, Suru verb 
にゅうしょ entrance; admission; imprisonment; internment
Common word, Noun, Suru verb 
にゅうせき entry in family register
Common word, Noun, Suru verb 
にゅうせん chosen (in a competition)
Common word, Noun, Suru verb 
にゅうだん enrollment; enrolment
Common word, Noun, Suru verb 
にゅうとう joining a political party
Common word, Noun, Suru verb 
にゅうねん careful; elaborate; scrupulous
Common word, Na-adjective, Noun 
にゅうばい entering the rainy season; beginning of the rainy season
Common word, Noun, Suru verb 
にゅうまく advancing to the first grade
Common word, Noun, Suru verb 
にゅうもん primer; manual; entering an institute; introduction to
Common word, Noun, Suru verb, No-adjective 
にゅうよく 1: bathing;
2: (Suru verb) to bathe; to take a bath; to enter a bath
Common word, Noun 
いりまじり mixing with; being mixed
Noun, Suru verb 
じゅっこん 1: intimacy;
2: putting one's heart and soul into
Na-adjective, Noun 
にっしょう entering tone (in Chinese)
Noun 
にゅうえい entering the barracks; enlistment
Noun, Suru verb 
にゅうえん 1: enrollment in kindergarten; enrolment in kindergarten;
2: entering a park, garden, zoo, etc.
Irregular kanji usage, Noun, Suru verb 
にゅうかい admission; joining; enrollment; enrolment
Noun, Suru verb 
にゅうかく illative
Noun, No-adjective, Linguistic term 
にゅうかん placing in the coffin
Noun 
にゅうかん imprisonment
Noun, Suru verb 
にゅうかん Immigration Bureau
Noun, Abbreviation 
にゅうかん entry (e.g. library, school, museum); entering
Noun, Suru verb 
にゅうきょ entering a dock
Noun, Suru verb, No-adjective 
にゅうぎょ emperor's return to the imperial palace
Noun, Suru verb 
にゅうぎょ fishing in restricted waters
Noun 
にゅうこう invasion; encroachment
Noun 

Found 420 words. Page one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15, 16

You can also

Look up kanji details for 入 いれ.

Try a Yahoo Jisho search for 入 いれ .
Try a Goo Jisho search for 入 いれ .
Try a Google search for 入 いれ .