Cognate Verbs (English-Portuguese)

English and Portuguese share thousands of verbs because both languages have borrowed heavily from Latin — English through French and Norman influence, Portuguese directly from its Latin roots. Once you notice this, your vocabulary grows by leaps. Most of these cognates are also regular verbs, which means you conjugate them with the standard endings you already know. This page is a practical inventory, organized by verb ending, with pronunciation notes for the ones that look familiar but sound different from their English cousins.

Be careful: looking similar is not the same as meaning the same thing. A small number of apparent cognates are actually false friends, and those are covered separately in False Friend Verbs. The verbs on this page are true cognates — same Latin root, same core meaning.

Why so many cognates exist

The Latin layer of English vocabulary — the layer used in academic, scientific, legal, and formal registers — is almost entirely Romance. Every time English uses a more formal or technical word (analyze instead of look at, consult instead of ask, participate instead of take part), it is reaching into vocabulary that Portuguese uses as its everyday word. That means that the higher the register in English, the more the two languages converge.

For a learner, this is a gift: the Portuguese word for a formal concept is almost always transparent, even if the everyday Portuguese word is different. You can often guess and be right.

Pronunciation guidance — crucial before you begin

Portuguese cognates of English verbs are spelled almost identically but pronounced very differently. If you say them with English stress and English vowels, a Portuguese listener will simply not understand you. The most important rules to internalize:

• Written "a" in an unstressed position sounds like a brief schwa, not English ah. Comparar is roughly kum-puh-RAR, not kom-puh-RAR.
• Stress is usually on the last syllable for -ar/-er/-ir infinitives: vi-si-TAR, con-ce-DER, de-ci-DIR. English speakers instinctively stress earlier syllables; resist that.
• Final -r in European Portuguese is a single tapped or uvular sound, often nearly silent in rapid speech. Falar sounds closer to fa-LAH than English fa-LAR.
• Unstressed "e" is frequently silent or a whispered schwa. Telefonar sounds like t'luh-fu-NAR, not teh-leh-foh-NAR.
• The written "s" between vowels is a z-sound: analisar = a-na-li-ZAR.

-ar cognate verbs (the largest group)

These are first-conjugation verbs (infinitive ends in -ar). They all follow the regular -ar conjugation pattern, which means once you know how to conjugate one, you know how to conjugate all of them.

Example sentences using -ar cognates:

-er cognate verbs

These follow the regular -er conjugation. Fewer cognates land in this group because Latin verbs from which English borrowed heavily tended to be first- or fourth-conjugation Latin verbs, which map to Portuguese -ar and -ir.

-ir cognate verbs

These follow the regular -ir conjugation. Once again you see the Romance-Latin layer of English showing through.

Three patterns that make cognates predictable

Once you see the logic behind English-Portuguese cognates, you stop needing to memorize them one at a time.

Pattern 1: English -ate → Portuguese -ar. Educate / educar, indicate / indicar, participate / participar, negotiate / negociar, criticize / criticar.

Pattern 2: English -ize → Portuguese -izar. Organize / organizar, realize / realizar, utilize / utilizar, modernize / modernizar.

Pattern 3: English -(t)ion → Portuguese -ção; verb form often -ar. Situation / situação → situar; solution / solução → solucionar; interpretation / interpretação → interpretar.

When you spot these patterns, you can guess Portuguese verbs with high accuracy from English ones. Operar, facilitar, dominar, navegar, dedicar, verificar, comunicar, coordenar, cooperar, calcular, automatizar — all following the patterns above, all of them actual Portuguese verbs.

Tricky cognates with pronunciation traps

A few cognates look so familiar that learners read them as English and produce unintelligible pronunciations. Watch these:

• analisar — a-na-li-ZAR, with the middle s sounding like z.
• criticar — kri-ti-KAR, not English "CRIT-i-size."
• imitar — i-mi-TAR, not English "IM-i-tate."
• telefonar — t'luh-fu-NAR, with almost-silent first two syllables.
• organizar — or-gu-ni-ZAR, final stress.
• participar — par-ti-si-PAR, with a soft c (= s) before i.
• reduzir — re-du-ZIR, z sound, not "ss."
• produzir — pru-du-ZIR, same pattern.

Sample conjugations

To show just how regular these cognates are, here is the present indicative of three of them.

Organizar — first conjugation, completely regular:

Responder — second conjugation, completely regular:

Decidir — third conjugation, completely regular:

Common mistakes

Key takeaways

• The Romance layer of English vocabulary comes from Latin, which is also Portuguese's parent language — so any formal or academic English verb almost certainly has a Portuguese cognate.
• Three patterns cover most cases: English -ate → Portuguese -ar; English -ize → -izar; English -tion nouns have verbs ending in -ar.
• All of these cognates follow regular conjugation in their respective -ar / -er / -ir class. Learn the regular endings and you get thousands of verbs for free.
• Pronunciation is the real challenge, not meaning or conjugation. Unstressed vowels reduce, final -r weakens, "s" between vowels becomes "z," and stress usually lands on the last syllable of the infinitive.
• A small number of apparent cognates are false friends. See False Friend Verbs before you trust a suspicious pair.