tend-, tendo-, ten-, teno-, tenot-, tenonto-, tens-, tent-, -tend, -tension, -tent, -tense, -tensive, -tentious

(Greek > Latin: to move in a certain direction; to stretch, to hold out; tension; as well as tendon, sinew)

tenontoplasty
tenophony
A heart murmur assumed to be due to an abnormal condition of the chordae tendineae (thread-like bands of fibrous tissue).
tenophyte
tenoplastic
tenoplasty
tenorrhaphy
Suturing a cut tendon.
tenositis
tenosynovitis
tenotome
tenotomy
tense
1. Stretched tight; strained; taut.
2. Undergoing or showing mental stress or displaying nervous strain; anxious; apprehensive; jittery.
tensely
tenseness
tensile strength
The maximum tensile stress (stretching) that a material can withstand without failure or breaking.
tensile stress
An external force that acts on a body at both ends, parallel to the length, and that if unopposed will tend to elongate it; that is, the material will stretch.

It is a measure of the intensity of the total internal forces acting within a body across imaginary internal surfaces, as a reaction to external applied forces and body forces.

Some related "tension" words are available at this tono- unit.