Denshi Jisho — Online Japanese dictionary

疑惑 ぎわく doubt; misgivings; distrust; suspicion
Common word, Noun, No-adjective 

You can also

Look up kanji details for 疑惑.

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