origin

As a noun origin

is the beginning of something.

As an adjective constructible is

of a land, suitable for constructing a building.

As nouns the difference between origin and geogeny

is that origin is the beginning of something while geogeny is the study of the origins or formation of the Earth.

As nouns the difference between origin and anthropogenetics

is that origin is the beginning of something while anthropogenetics is the study of the origins and development of human beings, and human genetics also.

As nouns the difference between origin and loopback

is that origin is the beginning of something while loopback is the routing of a signal, data stream, etc from its origin back to the origin, primarily as a means of testing the transmission or transportation infrastructure.

As a noun origin

is the beginning of something.

As an adjective cryptogenic is

(of an organism) of uncertain origin, either introduced or native to its area.

As nouns the difference between origin and sociogenesis

is that origin is the beginning of something while sociogenesis is the development of social organization, such as among insects.