Translation

The Japanese word for "Serpent" is hebi .

Romaji he bi
Hiragana
Katakana
Kanji
School Level

Loan-word

The word "Serpent" katakanized would be sāpento サーペント.
Romaji saa pe n to
Katakana
Hiragana

Synonyms

Scientific name: Serpentes.

Further Reading

Wikipedia: Snake (ヘビ)