injunctive

As adjectives the difference between injunctive and deductive

is that injunctive is pertaining to the injunctive mood while deductive is .

As a noun injunctive

is (linguistics|uncountable) a verbal mood in sanskrit characterized by secondary endings but no augment, and usually looked like an augmentless aorist or imperfect.

As nouns the difference between injunctive and optative

is that injunctive is a verbal mood in Sanskrit characterized by secondary endings but no augment, and usually looked like an augmentless aorist or imperfect while optative is a mood of verbs found in some languages (e.g. Old Prussian, Ancient Greek), used to express a wish. English has no inflexional optative mood, but it has modal verbs like "might" and "may" that express possibility.

As adjectives the difference between injunctive and optative

is that injunctive is pertaining to the injunctive mood while optative is expressing a wish or a choice.