As nouns the difference between minimum and minimin

is that minimum is minimum while minimin is (economics|computer science|decision theory) a strategy or algorithm that seeks to minimize the minimum possible result.

As nouns the difference between megafauna and megafish

is that megafauna is the large animals of a given region or time, considered as a group while megafish is (rare) any fish belonging to the megafauna.

As a noun morphophonology

is a branch of linguistics concerned with phonemes, and the phonological representation of morphemes.

As an adjective morphophonological is

of or pertaining to morphophonology.

As a verb cannot

is not (am/is/are unable to).

As a noun cannot

is something that cannot be done.

As an adjective ununderstandable is

not]] understandable; that cannot be [[understand|understood.

Ununderstandable is a synonym of incomprehensible.

As adjectives the difference between incomprehensible and ununderstandable

is that incomprehensible is impossible or very difficult to understand while ununderstandable is not understandable; that cannot be understood.

Ununderstandable is a synonym of nonunderstandable.

As adjectives the difference between nonunderstandable and ununderstandable

is that nonunderstandable is not understandable while ununderstandable is not understandable; that cannot be understood.

Incomprehensible is a synonym of nonunderstandable.

As adjectives the difference between incomprehensible and nonunderstandable

is that incomprehensible is incomprehensible while nonunderstandable is not understandable.

As nouns the difference between strategy and minimin

is that strategy is the science and art of military command as applied to the overall planning and conduct of warfare while minimin is (economics|computer science|decision theory) a strategy or algorithm that seeks to minimize the minimum possible result.

As adjectives the difference between christian and sundaylike

is that christian is while sundaylike is resembling a sunday or some aspect of one, especially the religious observances and abstinence from work of the christian sabbath.

As an adjective sundaylike is

resembling a sunday or some aspect of one, especially the religious observances and abstinence from work of the christian sabbath.