tenth
tenth1 /tenθ/ 
adjective
coming after nine other things in a series:
in the tenth century
her tenth birthday
—tenth pronoun:
I’m planning to leave on the tenth (=the tenth day of the month).
tenth2 noun [countable]
one of ten equal parts of something
| I |
adjectivecoming after nine other things in a series:
—tenth pronoun:
| II |
noun [countable]one of ten equal parts of something