The phrase “open letter” has 4 syllables: o-pen let-ter
It's pronounced as /ˈoʊ.pən ˈlɛ.tɚ/
What is synonym and antonym for open letter?
In the thesaurus, “open letter” has 19 synonyms.
Here are synonyms for open letter along with examples of usage in sentences.
On this page you'll find 19 synonyms or another words to open letter, such as: airmail, billet-doux, card, communication, dispatch, e-mail, electronic mail.
Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.