para-, par-

A false parasite: A pseudoparasite may be either a commensal or a temporary parasite (the latter being an organism accidentally ingested and surviving briefly in the intestine).

A pseudoparasite can be an object or organism that resembles or is mistaken for a parasite.

1. A phenomenon that includes both psychokinesis and extrasensory perception.

The extrasensory mental processes involved in the alleged ability to send or to receive telepathic messages.

2. In parapsychology, this term refers to whatever it is that enables a person to perceive extrasensorially.

This word was added so you will know that there is no known connection with this psi and the Greek psi (Ψ, ψ). This psi is said to be a shortening and alteration of parapsychological or a shortening of psychic or parapsychic.

The principle that complex systems and processes in nature (and human society) operate in a pulsing manner; that is, alternating between different conditions rather than existing in a particular steady state.

Infestation of parasites by other parasites, that means parasites on other parasites: Superparasitism can be exemplified by an insect host, like a caterpillar larva, that is often attacked by a single species of of parasitoid.

An ectoparasite that becomes pathogenic when the resistance of its host weakens: A xenoparasite is a strange organism not usually parasitic on the host but that becomes so because of a weakened condition of the host.

A form of life that obtains its sustenance from an animal: Joan read about zooparasites in her biology book and learned that a zooparasite can be a worm or a protozoa living in a host animal.