Correct spelling for the English word "spirtled" is [spˈɜːtə͡ld], [spˈɜːtəld], [s_p_ˈɜː_t_əl_d] (IPA phonetic alphabet).
In the same sense.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.