Is it cringy to use military phonetic alphabet when spelling something out?

To preface, i have no military background nor will i ever. But when it comes to spelling something out (i.e my last name) i can never spell it as a "normal" person by saying common words that begin with the respective letter. My autistic brain will freeze trying desperately to find a word that begins with that letter and never find one, making the person on the other end impatient and making me look bad.

Yet i am able to remember words like alpha, romeo, india and so forth. But when i use those, the other person will generally give me this look like I'm a weird person. What am i supposed to do then?