I think 𝘭𝘪𝘣𝘦𝘳𝘵𝘢𝘳𝘪𝘢𝘯 is useful and salvageable, especially when used properly, as an adjective only. Pretty sure 𝘴𝘰𝘤𝘪𝘢𝘭𝘪𝘴𝘵, probably even 𝘭𝘦𝘧𝘵, is no longer worth using, permanently.
Which still leaves me no good way to say 𝘭𝘪𝘣𝘦𝘳𝘵𝘢𝘳𝘪𝘢𝘯 𝘴𝘰𝘤𝘪𝘢𝘭𝘪𝘴𝘵 and be understood.