Salute, Jonathan!/Grammar (accent)

Accent (word stress)

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The main rule to remember is that primary stress is on the vowel before the last consonant.

Word Last consonant Stress
pensa s pénsa
pensar r pensár
ama m áma
amar r amár
amore r amóre

The syllables bil, ic, im, and ul take the accent on the preceding syllable. In addition, the plural -s and the two syllables men and um at the end of words do not change the stress of the preceding part of the word.

Word Meaning Stress
regul rule régul
maximum maximum máximum
amabil lovely amábil
narcotic narcotic narcótic
persones people persónes
rapidmen rapidly rapídmen

Certain endings like -tá and -ería have a written accent, in which case this becomes the accent for the word. And some words have an accent of their own due to reasons such as internationality.

Word Normal stress With ending Stress without accent would have been...
amabil amábil amabilitá amabilíta
vitre vítre vitrería vitréria
café cáfe