Heard: "loci" with [k]

[W Brewer]

EN:  <<<*heterological *nouns, change of meaning when pluralized, e.g.,
castrum / castra>>>
WB (cough, cough (attic dust)):  Hoffmann-Szantyr Syntax p.21 adds: aedes,
rostrum, populus, littera, frumentum. They call the loci ~ loca combination
"metaplasm with semantic differentiation".

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