English fifteen

← Old English fīftīene (inherited)

← Old English fīftēne (mention)

← Danish femten (cognate)

← German fünfzehn (cognate)

← Middle English fiftene (inherited)

← West Frisian fyftjin (cognate)

← Proto-Germanic *fimftehun (inherited)

← Dutch vijftien (cognate)

→ English fifteener (suffix)

→ English fifteenness (suffix)

→ English fifteenpenny (compound)

→ English fifteenpence (compound)

→ English fifteenish (suffix)

→ English fifteenfold (suffix)

→ English freshman fifteen (compound)

→ English sweet fifteen (compound)

→ Bislama fiftin (inherited)

→ Cimbrian vüchtzane (cognate)

→ Cimbrian büusane (cognate)

→ Fanagalo fiftin (borrowed)

→ Dutch vijftien (cognate)

→ Pennsylvania German fuffzeh (cognate)

→ Pennsylvania German fuftzay (cognate)

→ Tok Pisin fiftin (derived)