Assertion: acute accent | /r/ObjectUse | used on vowel
Facets:
Source sentences:
text: The acute accent is used on a vowel in a stressed syllable in words with irregular patterns.
text: When acute accent and diaeresis marks are used on vowels (⟨á⟩, ⟨é⟩, ⟨í⟩, ⟨ó⟩, ⟨ú⟩ and ⟨ü⟩) they are considered variants of the plain vowel letters, but ⟨ñ⟩ is considered a separate letter from ⟨n⟩.