ровесник znamená v Angličtina

age-mate▼(one who is the same age as another)
noun

coeval [coevals]▼(somebody of the same age)
noun
[UK: ˌkəʊ.ˈiːv.l̩] [US: ˌkoʊ.ˈiːv.l̩]

fellow [fellows]▼(person living at the same time, or about the same age as another)
noun
[UK: ˈfe.ləʊ] [US: ˈfelo.ʊ]

peer [peers]▼(someone or something of equal level)
noun
[UK: pɪə(r)] [US: ˈpɪr]