Denshi Jisho — Online Japanese dictionary

そと 1: outside; exterior;
2: open air;
3: other place
Common word, Noun 
ほか other (esp. places and things); the rest
Common word, No-adjective, Noun, Adverbial noun 
がい outside of; not covered by
Noun suffix 
よそ 1: another place; somewhere else; strange parts;
2: outside (one's family or group); those people;
3: unrelated matter
Noun 
げか surgical department
Common word, Noun, No-adjective 
がいか 1: foreign currency; foreign money; foreign exchange;
2: foreign goods; imported goods
Common word, Noun 
がいき open air
Common word, Noun 
がいし foreign capital (e.g. in a company); foreign investment
Common word, Noun 
がいぶ 1: the outside;
2: (No-adjective) external
Common word, Noun 
がいむ foreign affairs
Common word, Noun 
がいや 1: outfield;
2: (Abbreviation) outfielder;
3: (Abbreviation) outfield bleachers;
4: third party; outsider
Common word, Noun 
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 
はずれ 1: end; verge; extremity; tip; outskirts;
2: miss; failure
Common word, Noun, Suffix 
ほかに in addition; besides
Common word, Adverb 
がいい periphery; surroundings
Noun 
がいい outer garment
Noun 
がいご foreign language
Noun 
がいし unofficial history
Noun 
がいし foreign-language newspaper
Noun 
がいじ foreign affairs
Noun 
がいじ 1: characters not in Joyo Kanji; external character;
2: foreign letters or words
Noun 
がいじ external ear; concha
Noun 
がいち overseas territories; outlying areas
Noun 
がいば external field
Noun, Mathematical term 
がいひ investment (in the sense of outer layer); outer skin or layer; rind; hull; husk; crust
Noun, No-adjective 
がいひ investment (in the sense of outer layer); outer skin or layer; rind; hull; husk; crust
Noun, No-adjective 

Found 410 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 外.

Try a Yahoo Jisho search for 外 .
Try a Goo Jisho search for 外 .
Try a Google search for 外 .