stato-, stat-, sta-, -static, -stasi, staso-, -stasis, -stasia, -stacy, -stitute, -stitution, -sist

(Latin: standing, to stay, to make firm, fixed; cause to stand, to put, to place, to put in place, to remain in place; to stand still)

substitution (s) (noun), substitutions (pl)
1.The action of replacing one thing or person with another: The principal wanted to have Mr. Jones as the substitution for Mrs. Hathaway, but Mr. Jones wasn't available after all.
2. That which is replaced: When at the restaurant, Jill wanted to have vegetables instead of french fries, but the waiter said substitutions were not allowed.
3. An individual or thing that acts as an alternative or replacement: Dr. Good proposed a cast for Jim's broken arm as a substitution for surgery and a stay at the hospital which appealed to Jim very much!
substitutional (adjective); more substitutional, most substitutional
Pertaining to something or someone that can be replaced or exchanged: Substitutional possibilities among the teachers at the school are certainly realizable when one teacher is suddenly sick and has to be supplanted by another one.
substitutive (adjective); more substitutive, most substitutive
Characteristic of a person or a thing that acts as a replacement: There were substitutive options for the students when their teachers were down with the flu and couldn't be in school to teach them.
superstition (s) (noun), superstitions (pl)
1. A belief in the magical effects of a specific action or ritual, especially in the likelihood that good or bad luck will result from performing it: Virginia's sister lives in a high-rise housing complex that doesn't have the 13th floor due to the superstition that it would bring misfortune!
2. An irrational, credulous, and unfounded belief in dark and unearthly creatures or beings: Greg thought that the ghost stories his sister was reading were based on pure superstition!
3. Etymology: via French from Latin superstition; superstes, "standing over (in awe)"; from super, "over, above" plus stare, "to stand".

Defined by some as, "the unreasoning fear of anything founded on the fear of the unreasoning."

superstitious (adjective); more superstitious, most superstitious
1. Referring to individuals who believe in things which are not true or factual: The fear Jane felt creeping up her back originated from the superstitious opinion of her parents that black cats crossing from the left to the right would bring bad luck!

People are likely to fear what is unknown, such as the man who said he wasn't superstitious because he was afraid it might bring him bad luck!
2. Pertaining to or connected with unfounded beliefs: Ivy loved reading superstitious legends because they took her into a fantasy world full of myths and old wives' tales.

superstitiously (adverb); more superstitiously, most superstitiously
Pertaining to how a person thinks or acts based on myths or unfounded beliefs: Linda superstitiously said that she would never live on the 13th floor of a high-rise building.

Many of Tim's friends mentioned superstitiously that they would fail the English test if they had to take it on Friday the 13th!

superstitiousness (s) (noun), superstitiousnesses (pl)
The belief in an irrational conviction which is not based on fact: Jack's superstitiousness was shown by the rabbit's foot he always had on his key ring, or by avoiding walking under a ladder, and also by his fear of spilling salt on the table.
systatic (adjective) (not comparable)
1. Commendatory; complimentary: After serving as a voluntary helper for the poor, the city wrote Janet a systatic letter full of praise and high regard for all of her support and time she spent for the people in need.
2. Concerning the situation of putting or bringing things or people together: The systatic groups of students was a result of the teacher, Mrs. Smart, who wanted to have her students combine their information and material while working on their projects.
thermally sensitive resistor (s) (noun), thermally sensitive resistors (pl)
A device that can be used to measure temperatures and to track their changes: Some new homes have been built with thermally sensitive resistors attached to the heating and cooling systems in order to monitor them and hopefully to control the use of energy in a more effective way.
thermoresistance (s) (noun), thermoresistances (pl)
Resilience or unsusceptibility to heat: Electronic engineers are especially interested in thermoresistance since electrical elements produce heat and require being cooled, otherwise the elements would malfunction or even completely fail to operate!
thermoresistant (adjective); more thermoresistant, most thermoresistant
Referring to the capablility to exist in comparatively high temperatures: Phyllis learned in her biology class that some bacteria are thermoresistant and can tolerate very high degrees of hotness.
thermostable (adjective); more thermostable, most thermostable
1. Relatively consistent or resistant to heat: The product said that the plastic container should be thermostable and not melt when in the microwave.
2. Not readily subject to alteration or destruction by heat: The thermostable nature of certain materials can be utilized industrially as an agent to hinder or delay fires.
thermostasis (s) (noun) (no plural)
The sustainment of a stable and constant bodily temperature: Thermostasis is exemplified in warm-blooded animals, such as mammals and birds, and keeps the animals in healthy conditions.
thermostat (s) (noun), thermostats (pl)
1. An apparatus for the automatic regulation of heat: Cryostats and pyrostats are two kinds of thermostats which start or stop the amount of hotness.
2. A device used to control the temperature in an enclosed area: In office buildings hotter or cooler air is supplied as necessary to maintain the temperature at the same level as the setting on the thermostat.
thermostatic (adjective) (not comparable)
Referring to a device for the automatic control of a heating or cooling system: Electric blankets can only be used throughout the night when there is a thermostatic regulator for safe use at night.

Related word families intertwined with "to place, placing, to put; to add; to stay; to attach" word units: fix-; pon-; prosth-; the-, thes-.