Anuran and Bell toad

Anuran noun - Any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species.

Bell toad and anuran are semantically related. In some cases you can replace phrase "Bell toad" with "Anuran", this terms are similar.

Bell toad noun - Western North American frog with a taillike copulatory organ.

Anuran and bell toad are semantically related. You can use "Anuran" instead a noun phrase "Bell toad".