English harmful

← Old English *hearmful (inherited)

← Old English hearmfullīċ (mention)

← Danish harmfuld (cognate)

← German harmvoll (cognate)

← English harm (suffix)

← English ful (suffix)

← Middle English harmful (inherited)

← Swedish harmfull (cognate)

→ English -ful (link)

→ English harmfully (suffix)

→ English harmfulness (suffix)

→ English nonharmful (prefix)

→ English unharmful (prefix)

→ English harmfuller (suffix)