Translation

furoggu means "Frog" in English.
It's a katakanization, a loan-word.

furoggu is normally written with katakana, as フロッグ.
furoggu written with hiragana is ふろっぐ.
furoggu does not have kanji.
Romaji fu ro ggu
Katakana
Hiragana

Orthography Notes

  • ッグ contains a small tsu which makes the consonant of the syllable longer.

Synonyms

Scientific name: Anura.

Further Reading

Wikipedia: カエル (Frog)