That's what I suspected, but it's actually pretty weird to associate "rectum" as it's quite a dissimilar word, sharing nothing but a few letters. Like, "refere

That's what I suspected, but it's actually pretty weird to associate "rectum" as it's quite a dissimilar word, sharing nothing but a few letters. Like, "referendum" sounds like ass too? I mean weird, unless that's where your mind is anyway.