As adjectives the difference between photogenic and unphotogenic

is that photogenic is generated or caused by light while unphotogenic is not photogenic.

As nouns the difference between waddle and waddler

is that waddle is a swaying gait while waddler is one who waddles.

As a verb waddle

is to walk with short steps, tilting the body from side to side.

As nouns the difference between protein and globin

is that protein is protein while globin is globin.

As nouns the difference between haemoglobin and globin

is that haemoglobin is (protein) while globin is globin.

Haematophagy is an alternative form of hematophagy.

As a noun hematophagy is

the practice, of some animals, of feeding on blood.

As nouns the difference between feeding and hematophagy

is that feeding is an instance of giving food while hematophagy is the practice, of some animals, of feeding on blood.

As a verb feeding

is present participle of lang=en.

As nouns the difference between blood and hematophagy

is that blood is a vital liquid flowing in the bodies of many types of animals that usually conveys nutrients and oxygen. In vertebrates, it is colored red by hemoglobin, is conveyed by arteries and veins, is pumped by the heart and is usually generated in bone marrow while hematophagy is the practice, of some animals, of feeding on blood.

As a verb blood

is to cause something to be covered with blood; to bloody.

Hematophagia is a synonym of hematophagy.

As a noun hematophagy is

the practice, of some animals, of feeding on blood.

Hematophagous is a related term of hematophagy.

As an adjective hematophagous

is feeding on blood.

As a noun hematophagy is

the practice, of some animals, of feeding on blood.

Hematophagy is a related term of hemovore.

As nouns the difference between hemovore and hematophagy

is that hemovore is an organism that ingests blood as the main part of its diet; examples of hemovores include leeches, mosquitos, and vampire bats while hematophagy is the practice, of some animals, of feeding on blood.