As far as people likely to say that middle one go, most of Britain would disagree that it rhymes with spider. You might get a crisp T or, more likely, a glottal stop, but not a D sound.
That said, Aussies are even more likely to use it and they do have some t-d merger going on in some of their accents.
I thought it said “arachnonym” and was looking forward to seeing some spider names.
Here are some words that rhyme with spider: glider, rider, fighter, miter, waterstrider…
Apple Cider, Cheeky Blighter, Cum Inside’er…
As far as people likely to say that middle one go, most of Britain would disagree that it rhymes with spider. You might get a crisp T or, more likely, a glottal stop, but not a D sound.
That said, Aussies are even more likely to use it and they do have some t-d merger going on in some of their accents.
Aragog, Shelob, Mae Tika, Charlotte…