Phoresis

Not to be confused with the suffix -pheresis, as in plasmapheresis.

The suffix -phoresis means "migration":

electrophoresis, is the motion of dispersed particles relative to a fluid under the influence of a spatially uniform electric field.
isotachophoresis, is a technique in analytical chemistry used to separate charged particles.
thermophoresis, a phenomenon observed when a mixture of two or more types of motile particles (particles able to move) are subjected to the force of a temperature gradient and the different types of particles respond to it differently.
phoresis (biology), an inter-species biological interaction in ecology.

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