English stumble

← German stumm (cognate)

← English stammer (doublet)

← Proto-Germanic *stam- (inherited)

← Dutch stom (cognate)

→ English slip (link)

→ English stammer (doublet)

→ English stumbler (suffix)

→ English stumbleth (suffix)

→ English stumblest (suffix)

→ English stumblebum (compound)

→ English stumbly (suffix)

→ English stumblesome (suffix)