Norwegian Nynorsk bor

← English boron (link)

← English drill (link)

← English drill bit (link)

← Norwegian Nynorsk boraks (mention)

← Norwegian Nynorsk borat (link)

← Norwegian Nynorsk borsyre (link)

← Old Norse borr (inherited)

→ Norwegian Nynorsk borsyre (compound)

→ Norwegian Nynorsk borat (suffix)