| A | B |
| Tangent | a line that touches a curve but does not intersect it |
| Tangible | capable of being touched. |
| Intangible | not able to be touched; not clear to the mind |
| Tact | consideration in dealing with others; keen sense of what to say to avoid giving offense |
| Tactless | Undiplomatic; offending; blunt; saying the wrong thing; improper |
| Tactile | producing a sensation of touch |
| Intact | not damaged, broken, or impaired |
| Contact | the act of touching |
| Contagious | capable of being transmitted by bodily contact with an infected person. |
| Contingent | determined by the conditions or circumstances that follow |