Syllables Quiz
ROI
How many syllables in ROI?
3 syllablesDivide ROI into syllables: R-O-I
How to pronounce ROI: R-O-I
How to say ROI:
Cite This Source
Bibliography Citations
MLA | APA | Chicago Manual Style
"ROI." HowManySyllables.com. How Many Syllables, n.d. Web. 22 August 2026.
Learn a New Word
Pop QuizWhat's the plural of
ABC?
Fun FactAdding 1 letter to some words
can add 2 syllables!
FAQDoes every have
2 or 3 syllables?
Ever WonderWhat's the difference between
There, Their, & They're?
Parents, Teachers, StudentsDo you have a grammar question?
Need help finding a syllable count?
Want to say thank you?