plural of oneth

(nonstandard) 'first', or other ordinal derivatives of 'one', such as hundred-and-oneth or minus-oneth

(in compounds with twenty-, thirty-, forty-, etc.) A fractional part of an integer ending in one

plural of seventy-oneth

plural of thirty-oneth

plural of twenty-oneth

plural of sixty-oneth

(nonstandard) hundred-first, hundred-and-first

(nonstandard) eleventh

(nonstandard) forty-first