Chocolate.
The word 'domo' is not a word in English. Domo is 'dome' in Italian, Spanish or Portuguese.
Brazil was colonized by Portugal, and theirs is the language in Brazil today. According to two separate online translators, chocolate is spelled the same in Portuguese as in English. The pronunciation may be different.
The Portuguese word for lady is "senhora."
Stag is not a portuguese word.
The word plain in Portuguese is: "planicie."
KEE-fee is a Portuguese pronunciation of 'Keefe'. It isn't a word in Portuguese. A Portuguese speaker tends to apply Portuguese pronunciation rules to this non-Portuguese word.
The plural form of the word "Portuguese" is "Portuguese." It remains the same in both singular and plural forms.
There isn't such word in the Portuguese Language.
The Portuguese word for slave is "escravo."
The word for Mrs in Portuguese is "Senhora".
The word quickness in portuguese is velocidade or rapidez.
The word for language in Portuguese is "língua."