-ity

(Latin: suffix used to form abstract nouns expressing act, state, quality, property, or condition corresponding to an adjective)

tensity
The quality or condition of being tense; a state of tension.
territoriality, territory maintenance (s) (noun); territorialities; territory maintenances (pl)
A behavior pattern in animals consisting of the occupation and defense of a territory: Territoriality is the behavior pattern in some animals in which they tend to remain within a certain area, primarily for the purpose of feeding, mating, and rearing their young and importantly this area is defended against members of the same species and also sometimes with other similar species.

thermality, thermally
A thermal condition; in a thermal manner, by means of or with regard to heat.
thermosensitivity (s) (noun),thermosensitivities (pl)
Physical awareness of heat or being affected by such changes of temperatures: The doctor was puzzled by the excessive thermosensitivity of Mrs. Jones because she was not responding to the medication he prescribed to regulate her reactions to such temperature changes.
tonality
1. A system or an arrangement of seven tones built on a tonic key.
2. The arrangement of all the tones and chords of a composition in relation to a tonic.
3. The scheme or interrelation of the tones in a painting.
4. The relationship between the notes and chords of a passage or work that tends to establish a central note or harmony as its focal point.
tonicity
1. The elastic tension of living muscles, arteries, etc. that facilitate response to stimuli.
2. The normal elastic tension of living muscles, arteries, etc., by which the tone of the system is maintained.
3. A state of normal tension of the tissues by virtue of which the parts are kept in shape, alert, and ready to function in response to a suitable stimulus.

In the case of muscle, it refers to a state of continuous activity or tension beyond that which is related to physical properties; i.e., it is active resistance to stretch; in skeletal muscle it is dependent upon the efferent innervation.

4. The osmotic pressure or tension of a solution, usually relative to that of blood.
tonotopicity
Having a spatial arrangement such that certain tone frequencies are transmitted along a particular portion of the structure, as in the cochlear nuclei.
trepidity (s) (noun), trepidities (pl)
An agitation, alarm, or a panic when in certain situations: James was full of uncertainty and trepidity when he was told by his superintendent that he would be in charge of the important project for his company!
trinity
1. The state of being threefold, threefoldness, threeness; a group consisting of three closely related members.
2. In theological use, applied to the existence of one God in three persons.
3. The three persons or modes of being of the Godhead as conceived in orthodox Christian belief; the Father, Son, and Holy Spirit as constituting one God; the triune God.
triviality
The quality or condition of being trivial; something trivial; the condition or quality of having little importance or seriousness.
ubiquity
1. The state, fact, or capacity of being, or seeming to be, everywhere at the same time; omnipresence.
2. Existence or apparent existence everywhere at the same time; omnipresence.
3. Omnipresence; presence in several places, or in all places, at one time.

A fiction of English law is the "legal ubiquity" of the sovereign, by which he is constructively present in all the courts.

uxoriality
The condition of being a wife; wifehood.
vascularity
1. Characterized by, or containing vessels that carry or circulate fluids; such as, blood, lymph, or sap, through the body of an animal or a plant.
2. The extent to which a tissue, or body organ, is compos4ed of blood vessels.
veneosity
State of being venomous.
venomosity
The condition of being venomous.