Singular of tons is ton.

Množina: tons

A large number or amount; SYN. dozens, heaps, lots, piles, scores, stacks, loads, rafts, slews, wads, oodles, gobs, scads, lashings.

Množina: tonsils

ETYM Latin tonsilla, pl.: cf. French tonsille.
Either of two small masses of tissue one on each side of the pharynx.

Množina: tonsilitis

Singular of tonsillar crypts is tonsillar crypt.

Singular of tonsillectomies is tonsillectomy.

Množina: tonsillectomies

Surgical removal of tonsils.

Množina: tonsillitis

Inflammation of the tonsils.

Množina: tonsillotomes

Množina: tonsillotomies

Removal of part or all of tonsils.

Singular of tonsils is tonsil.

In higher vertebrates, masses of lymphoid tissue situated at the back of the mouth and throat (palatine tonsils), and on the rear surface of the tongue (lingual tonsils). The tonsils contain many lymphocytes and are part of the body's defense system against infection.
The adenoids are sometimes called pharyngeal tonsils.

Množina: Tonsinas

Unincorporated community in Alaska (USA).

ETYM Latin tonsorius, from tonsor a shearer, barber, from tondere, tonsum, to shear. Related to Tonsure.
Of or relating to barbers and barbering.
Relating to a barber or a barber's work; pertaining to barber or hairdressing.

Množina: tonsures

ETYM French, from Latin tonsura a shearing, clipping, from tondere, tonsum, to shear, shave.
1. Shaving the crown of the head by priests or members of a monastic order.
2. The shaved crown of a monk's or priest's head.