كُرَةٌ = Ball
Body (whole plus the head, arms and legs) = جِسْمٌ
--Animals --
Bear = دُبٌّ
Bird =طَائِرٌ (compared to airplane = طَائِرَةٌ ) , plural = طَيْرٌ ، طُيُورٌ
Butterfly = فَرَاشٌ , Bee = نَحْلٌ , Buffalo = جَامُوسٌ