I think it compares more to a One Time Program or Functional Encryption. Homomorphic Encryption won't prevent you from decrypting other outputs (if you have a

I think it compares more to a One Time Program or Functional Encryption. Homomorphic Encryption won't prevent you from decrypting other outputs (if you have a decryption key), and with Functional Encryption it's assumed both parties know the function being evaluated, so OTP is really the closest.