ra'al and re'ala

Is there any connection between the words ra’al רַעַל - “poison, toxin” and re’ala רְעָלָה - “veil, scarf”? There are three primary theories. Let’s review them. The first suggests a connection between the root רעל and the root ערל, via a metathesis (a rearrangement of the letters). The adjective עָרֵל arel means “uncircumsized”, and this theory proposes a common sense of both roots meaning “to…