Is the word almoça the same in Brazilian and European Portuguese?

No.

While the spelling and fundamental meaning of "almoça" (the third-person singular of the verb almoçar) are identical, there are significant differences in usage and pronunciation.

Usage and Grammar: In Brazil, the form "almoça" is the standard conjugation used with the pronoun você to address someone informally (e.g., "Você almoça..."). In Portugal, the informal "you" is the pronoun tu, which requires the second-person singular conjugation "almoças." Therefore, a Brazilian would use "almoça" to talk to a friend, whereas a Portuguese person would naturally use a different verb form to express the same idea.

Pronunciation: Brazilian Portuguese features more open, melodic vowels. In Continental Portuguese, unstressed vowels undergo "vowel reduction," making them sound much shorter, more closed, or nearly silent, which changes the phonetic rhythm of the word.

Brazilian Portuguese Examples:

1. Você almoça agora? (Do you eat lunch now?)
2. Ele almoça no shopping. (He eats lunch at the mall.)
3. Onde você almoça? (Where do you eat lunch?)
4. Ela almoça com a gente. (She eats lunch with us.)
5. Você almoça muito tarde. (You eat lunch very late.)

European Portuguese Examples:

1. Tu almoças agora? (Do you eat lunch now?)
2. Ele almoça no centro comercial. (He eats lunch at the mall.)
3. Onde tu almoças? (Where do you eat lunch?)
4. Ela almoça connosco. (She eats lunch with us.)
5. Tu almoças muito tarde. (You eat lunch very late.)