English stammer

← Old English stamerian (inherited)

← German stammeln (cognate)

← English stumble (doublet)

← Middle English stameren (inherited)

← Proto-Germanic *stamrōną (inherited)

← Proto-West Germanic *stamrōn (inherited)

← Dutch stameren (cognate)

← Old Norse stammr (cognate)

→ English stem (mention)

→ English stumble (doublet)

→ English stammerer (suffix)

→ English stammereth (suffix)

→ English stammerest (suffix)

→ English stammery (suffix)

→ German stemmen (cognate)

→ German stammeln (cognate)

→ Icelandic stemma (cognate)

→ Swedish stamma (cognate)