Apropos to the subject matter of Cor Lingua, logomachy refers to an argument about words. The plural, also usable as a count noun, is logomachies. Use it well, and I hope you don’t get into any logomachies over it – unless you want to, of course.
Examples of use:
They got into quite the heated logomachy.
Her favourite thing to do is engage in logomachy.
It will eventually be settled, after many late-night logomachies.
Logomachies are common in literary circles.
Etymology: Mid 16th century. From Greek logomakhia, from ‘logos’ (word) + ‘makhia’ (fighting).