[zdunn]

> "e'er" would sound slightly different as it's spoken almost like two syllables, though not quite.

I'm a native English speaker (US). Sometimes when I say "ever"/"never", the 'v' sound drops out. So I end up saying "e'er"/"ne'er" but it sounds like "air"/"nair".

> Further down the list, I've just spotted "taught, taut, tot" and "tot" doesn't belong there.

I pronounce all of these the same

[ndsipa_pomu]

I'd say that "taught" and "taut" rhyme with "sport", whereas "tot" rhymes with "spot"

[zdunn]

Right, you said you're from the UK so that's in line with what I would have expected. My unstated point was that multinyms are intrinsically tied to dialects so there is no absolute list of multinyms