ten-, tent-, tin-, -tain, -tainment, -tenance, -tinence

(Latin: hold, grasp, have)

tenacious
Holding or tending to hold firmly; persistent.
tenacious, tenacity
Holding firmly; that which holds together strongly; cohesive; tough.
tenaciously
tenaciousness
tenacity
1. Holding firmly, persistent.
2. The quality of retaining what is held, physically or mentally; firmness of hold or attachment; firmness of purpose, persistence, obstinacy.
tenancy
Being a tenant; occupation of land, a building, etc. by rental or lease.
tenant
1. A person who pays rent to occupy, to hold, or to use land, a building, etc.
2. To hold as a tenant; to occupy.
tenement
tenet
tennis
tenon
tenor
tenure
transcontinental
untenable