Q
1.
Q - Quadrennial
2.
Quadrennially - Quaigh
3.
Quail - quantum field theory
4.
quantum jump - quartz oscillator
5.
Quartziferous - Queened
6.
Queenfish - Quercus suber
7.
Quercus texana - QuickDraw
8.
quick-eared - Quincuncially
9.
Quincunx - Quinzaine
10.
Quinze - quote chapter and verse
11.
Quoted - QX