| Y Term |
X Meaning |
| Yaw |
X-axis rotation (in aviation) |
| Yield |
X-efficiency (output/input ratio) |
| Yearn |
X-long (to desire deeply) |
| Yoke |
X-join or link (to bind together) |
| Ytterbium |
X-element (rare earth element) |
| Yin |
X-female principle (in Taoism) |
| Yawp |
X-shout (to cry loudly) |
| Yew |
X-tree (type of tree) |
| Yoke |
X-control (as in steering wheel) |
| Yonder |
X-distant (far away) |
| Yell |
X-cry out (to shout loudly) |
| Young |
X-youth (period of being young) |
| Yield |
X-produce (to give forth) |
| Yo-yo |
X-to fluctuate (to go up and down) |
| Yacht |
X-vessel (a type of boat) |
| Yawn |
X-gape (to open the mouth wide) |
| Yoke |
X-subjugate (to bring under control) |
| Yucca |
X-plant (type of plant) |
| Yodel |
X-sing (to sing in a particular way) |
| Yttrium |
X-element (chemical element) |
