In biology terms the difference between dimorphism and pleomorphism

is that dimorphism is the occurrence in an animal species of two distinct types of individual while pleomorphism is the occurrence of multiple structural forms during the life cycle of an organism.

As an adjective pallid

is appearing weak, pale or wan.

As a proper noun blanch is

, a less common spelling of blanche.

As nouns the difference between drama and emotion

is that drama is a composition, normally in prose, telling a story and intended to be represented by actors impersonating the characters and speaking the dialogue while emotion is a person's internal state of being and involuntary physiological response to an object or a situation, based on or tied to physical state and sensory data.

As a proper noun Drama

is a town in Greece.

As adjectives the difference between inauspicious and dramatic

is that inauspicious is not auspicious; ill-omened; unfortunate; unlucky; unfavorable while dramatic is dramatic.

As adjectives the difference between flush and florid

is that flush is smooth, even, aligned; not sticking out while florid is having a rosy or pale red colour; ruddy.

As a noun flush

is a group of birds that have suddenly started up from undergrowth, trees etc or flush can be a sudden flowing; a rush which fills or overflows, as of water for cleansing purposes or flush can be (poker) a hand consisting of all cards with the same suit.

As a verb flush

is to cause to take flight from concealment or flush can be to cleanse by flooding with generous quantities of a fluid.

As adjectives the difference between regrettable and unlucky

is that regrettable is of an event, action, or state, allowing or deserving regret while unlucky is unfortunate, marked by misfortune.

As nouns the difference between imperfection and shortcoming

is that imperfection is those qualities or features that are imperfect; the characteristic, state, or quality of being imperfect while shortcoming is deficiency.

As a noun establishment

is the act of establishing; a ratifying or ordaining; settlement; confirmation.

As a verb centre is

.

As a symbol aze

is the iso 3166-1 three-letter (alpha-3) code for azerbaijan.

As a determiner acea is

that.

As verbs the difference between regulate and regularise

is that regulate is to dictate policy while regularise is an alternative spelling of lang=en.