Denshi Jisho — Online Japanese dictionary

助 じょ help; rescue; assistant
Prefix 
助 すけ assistance
Noun 
助詞 じょし particle; postposition
Common word, Noun, Linguistic term 
助け たすけ assistance
Common word, Noun 
助辞 じょじ particle; auxiliary word
Noun, Linguistic term 
助手 すけて helper; helpmeet; assistant; tutor
Noun 
助平 すけべ lewdness; lewd person; lecher
Na-adjective, Noun 
助く たすく to help; to save; to rescue
Godan verb with ku ending, Transitive verb 
助け平 すけべ lewdness; lewd person; lecher
Irregular okurigana usage, Na-adjective, Noun 
助演 じょえん co-star
Common word, Noun, Suru verb, No-adjective 
助言 じょげん advice; suggestion
Common word, Noun, Suru verb, No-adjective 
助手 じょしゅ helper; helpmeet; assistant; tutor
Common word, Noun 
助成 じょせい assisting; assistance; fostering; aiding
Common word, Noun, Suru verb 
助役 じょやく assistant official
Common word, Noun 
助攻 じょこう supporting attack
Noun 
助業 じょごう auxiliary actions (in Jodo: recitation, observation, worship, praise & offering)
Noun, Buddhist term 
助言 じょごん advice; suggestion
Noun, Suru verb, No-adjective 
助祭 じょさい deacon (Catholic)
Noun, No-adjective 
助産 じょさん midwifery
Noun 
助勢 じょせい encouragement; backing; reinforcements
Noun, Suru verb 
助走 じょそう approach run (long jump)
Noun, Suru verb 
助命 じょめい sparing a life; clemency; reconsidering a dismissal
Noun 
助勢 すけぜい encouragement; backing; reinforcements
Noun, Suru verb 
助番 すけばん leader of a female gang; leader of a group of delinquent girls
Noun 
助平 すけべい lewdness; lewd person; lecher
Na-adjective, Noun 
助六 すけろく "inari" and "maki" (roll) style sushi
Noun 
助っ人 すけっと helper; supporter; second; backer
Common word, Noun, Colloquialism 
助かる たすかる 1: to be saved; to be rescued; to survive;
2: to escape harm; to be spared damage;
3: to be helped; to be saved trouble
Common word, Godan verb with ru ending, Intransitive verb 
助ける たすける to help; to save; to rescue; to give relief to; to spare (life); to reinforce; to promote; to abet
Common word, Ichidan verb, Transitive verb 
助太刀 すけだち assistance (in a fight); seconds (in a fight)
Noun, Suru verb 
助け平 すけべい lewdness; lewd person; lecher
Irregular okurigana usage, Na-adjective, Noun 
助兵衛 すけべえ lewdness; lewd person; lecher
Na-adjective, Noun 
助けて たすけて help!
Interjection 

Found 65 words. Page one, two

You can also

Look up kanji details for 助 たすかる.

Try a Yahoo Jisho search for 助 たすかる .
Try a Goo Jisho search for 助 たすかる .
Try a Google search for 助 たすかる .