There are 18 words that end with 'tane'.
stane | butane | cetane |
octane | heptane | montane |
phytane | platane | pentane |
soutane | pristane | triptane |
isobutane | isooctane | tramontane |
intermontane | transmontane | ultramontane |
Note: These 18 words that end with 'tane' are found from the USA & Canada version of the tournament Scrabble word list.