I spell it relic, relic’d, relic’ing. Or more often:fauxrelicsareforposersWhen a C is followed by an E or an I, it makes the /S/ sound unless it is an already established rare exception. When you add -ed or -ing to a word like picnic, panic, or relic, you have to ad a K so that the C isn’t followed by an E or an I. So, it is picnicked, picnicking, panicked, panicking, relicked, and relicking. If you spell it “reliced,” it sounds like your adding lice to your guitar again. Gross. It would be cool if word got around, and we see it correct in future posts. Also, it’s “Squier.”
This is an ideal solution, at least as good as relic'd.As a Latin word that comes to English through French (rélique) but with a non-Latin suffix, and given English has no orthographic rules that stand up to any kind of test, really you can spell it any way you damn well like. I always write it reliqued, but that's because I've always believed that English is little more than French spoken badly.