Syllables Rhymes Quiz
radioactivity
How many syllables in radioactivity?
7 syllablesDivide radioactivity into syllables: ra-di-o-ac-tiv-i-ty
How to pronounce radioactivity: rey-dee-oh-ak-tiv-i-tee
How to say radioactivity:
Cite This Source
Bibliography Citations
MLA | APA | Chicago Manual Style
"radioactivity." HowManySyllables.com. How Many Syllables, n.d. Web. 13 March 2026.
Learn a New Word
Grammar QuizSee how you do on the questions
that most adults get wrong.
Syllables Rhymes Quiz
What rhymes with radioactivity
3 syllables
4 syllables
5 syllables
6 syllables
7 syllables
TeachersWhat can $250 do for your classroom?
One prize is awarded to
one teacher, every month.
Fun FactCwm, crwth, & cwtch are the
only words with no vowels!
GrammarHow do you write a
quote within a quote?
Do You Knowthe difference between
Whether and Weather?
Parents, Teachers, StudentsDo you have a grammar question?
Need help finding a syllable count?
Want to say thank you?