As a proper noun mancallinae

is .

As an adjective mancalline is

characteristic of auks of the subfamily mancallinae .

As nouns the difference between fork and dungfork

is that fork is a pronged tool having a long straight handle, used for digging, lifting, throwing etc while dungfork is a fork for tossing dung.

As a verb fork

is to divide into two or more branches.

As nouns the difference between toss and dungfork

is that toss is a throw, a lob, of a ball etc., with an initial upward direction, particularly with a lack of care while dungfork is a fork for tossing dung.

As a verb toss

is to throw with an initial upward direction.

As nouns the difference between dung and dungfork

is that dung is manure; animal excrement while dungfork is a fork for tossing dung.

As a verb dung

is to fertilize with dung.

As nouns the difference between philosophy and metaphilosophy

is that philosophy is the love of wisdom while metaphilosophy is the study of the subject and matter, methods and aims of philosophy.

As a verb philosophy

is to philosophize.

As nouns the difference between displacement and spondylolisthesis

is that displacement is the act of displacing, or the state of being displaced; a putting out of place while spondylolisthesis is (medicine) a forward displacement of a vertebra over a lower vertebra, due to a congenital defect or injury.

As nouns the difference between pollen and colpus

is that pollen is while colpus is (botany|palynology) a groove sometimes occurring on grains of pollen.

Colpus is a coordinate term of porus.

Porus is likely misspelled.

Porus has no English definition.

As a noun colpus is

a groove sometimes occurring on grains of pollen.