What's the adjective for diffable? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs differ, difference, differentiate, diff and differentialize which may be used as adjectives within certain contexts.
“Another factor in this differential growth rate was out-migration from the South.”
“This is not to say that differential treatments for different kinds of individuals are of no importance, or that we are completely blind in our estimations of who will benefit most from which treatment.”