The spelling of "toad frog" can be a bit confusing due to its resemblance to two separate species - the toad and the frog. However, the correct spelling is "toadfrog" without a space. In IPA phonetic transcription, it is pronounced as /təʊdfrɒɡ/ with the stress on the first syllable. The word refers to a group of frogs that have bumpy and warty skin, similar to that of a toad. Toad frogs are typically found near ponds, streams, and other bodies of water.