para-, par-

(Greek: by the side of, beside, past, beyond; contrary, wrong, irregular, abnormal)

1. An object or organism that resembles or is mistaken for a parasite.
2. A false parasite; which may be either a commensal or a temporary parasite (the latter being an organism accidentally ingested and surviving briefly in the intestine).
psi phenomenon
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.

pulsing paradigm
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.
superparasite, superparasitism
Infestation of parasites by other parasites; that is, parasites on other parasites.
xenoparasite, xenoparasitism
1. An ectoparasite that becomes pathogenic when the resistance of its host weakens.
2. A strange organism not usually parasitic on the host but that becomes so because of a weakened condition of the host.
zooparasite (s) (noun), zooparasites (pl)
An animal that obtains its sustenance from another animal: Joan read about zooparasites in her biology book and learned that a zooparasite can be a worm or a protozoa living in an another animal.