uk /təʊd/ us /toʊd/
noun
a small, brown animal, similar to a frog, that has big eyes and long back legs for swimming and jumping:
https://dictionary.cambridge.org/ja/dictionary/english/toad
uk /frɒɡ/ us /frɑːɡ/
a small animal that has smooth skin, lives in water and on land, has long powerful back legs with which it jumps from place to place, has no tail, and is usually greenish-brown in colour:
https://dictionary.cambridge.org/ja/dictionary/english/frog
昔ロックマンでトードマンというのがいたけど、あれはちょっと違和感あるかもってことなのかな。