"th" means continuly. Example loveth
Hawaii
To answer this question we need the centuries. "Th" is not a word or number.
19 th amendment
The product of this reaction is Th(NO3)2.
th egg matures
Check your thermostat
A suffix that can be added to a number is "-th" to indicate ordinal position, such as first, second, third.
37
Aluminum
16
chromosomes