Twelfthly is singular plural both plural and singular singular plural plural both plural and singular both plural and singular singular.
How to say twelfthly:
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1. What makes words plural?
2. What makes a word singular?
3. How to make acronyms plural.
acacatechin
poetizer
keest
unstreamlined
bow-wow
episcopicide
overartificialities
twelfthly
fertilisational
spoonyism
Syllable Quiz
Can you divide
vacuum into syllables?