1, the head of fishing is beech tree.

2. The fish head is a fish.

Second, the explanation is different:

1. Fishing refers to fishing in the original sense, which is a kind of productive labor carried out or engaged by fishermen at the seaside, and also refers to people who fish or obtain other seafood.

2. Fish refers to something that was originally meant to be an aquatic vertebrate, and later extended to look like a fish.

Third, the parts of speech are different:

1, fishing is a verb, which means fishing; Beg.

2. Fish is a noun, meaning aquatic vertebrate.