Radical 口
9 strokes
雖
mouth 口 (5) + insect 虫 (679a) = although 虽
虽然 (266) suīrán although

The exhausted insect (imagine a cute furry caterpillar) crawls into the mouth of the cave, although he has heard that it is haunted. / The ghostly giant, who guards the cave, rushes out brandishing his saber (until he realises that the poor, frightened caterpillar is not a threat).
蟲

This character also applies to other very small animals, including worms.