Denshi Jisho — Online Japanese dictionary

ガイ guy
Common word, Noun 
害 がい injury; harm; evil influence; damage
Common word, Noun 
街 がい .. street; .. quarter; .. district
Common word, Noun suffix, Prefix 
外 そと 1: outside; exterior;
2: open air;
3: other place
Common word, Noun 
外 ほか other (esp. places and things); the rest
Common word, No-adjective, Noun, Adverbial noun 
垓 がい 10^20; 100,000,000,000,000,000,000; hundred quintillion (American); (Obsolete term) hundred trillion (British)
Noun 
外 がい outside of; not covered by
Noun suffix 
蓋 がい cover; lid; cap
Noun 
該 がい said; matter in question
Prefix 
外 よそ 1: another place; somewhere else; strange parts;
2: outside (one's family or group); those people;
3: unrelated matter
Noun 
外科 げか surgical department
Common word, Noun, No-adjective 
我意 がい self-will; obstinacy
Noun 
甲斐 がい effect; result; worth; use; avail
Suffix 
画意 がい meaning of a picture
Noun 
賀意 がい congratulatory feeling
Noun 
ガイド tour guide
Common word, Noun, Suru verb 
ガイア Gaia; Gaea; Ge
Noun 
ガイル guile
Noun 
外貨 がいか 1: foreign currency; foreign money; foreign exchange;
2: foreign goods; imported goods
Common word, Noun 
外気 がいき open air
Common word, Noun 
外資 がいし foreign capital (e.g. in a company); foreign investment
Common word, Noun 
外部 がいぶ 1: the outside;
2: (No-adjective) external
Common word, Noun 
外務 がいむ foreign affairs
Common word, Noun 
外野 がいや 1: outfield;
2: (Abbreviation) outfielder;
3: (Abbreviation) outfield bleachers;
4: third party; outsider
Common word, Noun 
街路 がいろ road; street; avenue
Common word, Noun 
外す はずす 1: to unfasten; to undo;
2: to remove; to take off; to deinstall;
3: to leave; to step out; to slip away;
4: to miss (a target)
Common word, Godan verb with su ending, Transitive verb 

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