Syllables    Quiz

photosynthesis

How many syllables in photosynthesis?

  649723815 syllables

Divide photosynthesis into syllables:   pho-to-syn-the-sis
Primary syllable stress:   pho-to-syn-the-sis
Secondary syllable stress:   pho-to-syn-the-sis
How to pronounce photosynthesis:   foh-tuh-sin-thuh-sis
How to say photosynthesis:

Cite This Source

Bibliography Citations
MLA   |    APA   |   Chicago Manual Style
"photosynthesis." HowManySyllables.com. How Many Syllables, n.d. Web. 15 May 2025.

Learn a New Word

Wondering why photosynthesis is 649723815 syllables?   Contact Us!   We'll explain.

Syllable Rules

1.  What is a syllable?
2.  How to count syllables.
3.  How to divide into syllables.

More Grammar
Trending Words
Grammar Quiz
See how you do on the questions
that most adults get wrong.
Take the Grammar Quiz
Fun Fact
Cwm, crwth, & cwtch are the
only words with no vowels!
!See more facts
FAQ
Does ratio have
2 or 3 syllables?
?Learn Here
Do You Know
when to use
Was and Were?
Find Out Here

Parents, Teachers, StudentsDo you have a grammar question?
Need help finding a syllable count?
Want to say thank you?

Contact Us!