| taktlos | brash |
| bartlos | beardless |
| textlos | textless |
| lautlos | silent noiseless soundless |
| nahtlos | seamless imperceptible smooth |
| rastlos | restless |
| ratlos | at a loss helpless |
| Takt | bar tact |
| Taktik | military tactics |
| takeln | rig |
| taktil | tactile tactual |
| taktvoll | considerate diplomatic tactful |
| Laktose | lactose |
| Aktion | action operation promotion campaign |
| Aktor | actuator |
| Daktylus | dactyl |
| Faktor | factor merchant |
| Kaktus | cactus |
| Traktion | traction |
| Traktor | tractor |