Tunnel
"Tunnel" in Japanese
トンネル
tonneru
(an underground or underwater passage)
地下道
chikadō
(an underground or underwater passage)
坑道
kōdō
(an underground or underwater passage)
隧道
suidō
(an underground or underwater passage)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.