I must be an anomaly. (Well, I already knew that, but . . .) I don’t have any special neologism cat terms that come to mind, nor special cat term spellings. I don’t even call them “Kittehs.” I occasionally use the standard and age-old “kitty, kitty” call outside for the barn cats, but I’m equally likely to simply use their names even when calling outdoors, such as “Emily!” They know and respond to those.
My general habit is to address cats by name. There have been a few basic nicknames in life, but those have been rare and have been derivatives of the actual name, as you would a person. For instance, Rubato is “Ruby.” I can only remember one non-name-based cat nickname in my life; Sabra, my first Siamese, was occasionally referred to as Smidgen, a description Mom gave her. But we called her Sabra as much and in fact more, saving Smidgen for times when the topic was her petiteness. I can picture Rosalind’s offended glare now if I ever tried to call her “Rosy” or something, let alone “Stinky.” Kind of like addressing Queen Victoria as “Vicky.” It simply wouldn’t be done.
However, I do love the term antimacatsar.