There is a word made by the suffix -­er in:

Questões de assuntos semelhantes

• The words “efficiency” and “brevity” (both in line 13) follow, respectively, the same rule of word formation as in
• Para a questão, escolha a alternativa que complete a sentença CORRETAMENTE
• Gold One and Palabora Mining Company operate South African mines. Both companies have one aspect in common: they are unlisted. This means that...
• Knowledge of word formation processes in the English language helps to understand the meaning of the verb in bold in “The point here is not to...
• Mark the option in which only one question is grammatically correct.