- secondly16
- secondo12
- seconds12
- semiconducting29
- semiconductor25
- semiconductors26
- superconduct25
- superconducted28
- superconducting31
- superconductive32
- superconductivities36
- superconductivity36
- superconductor27
- superconductors28
- superconducts26
- unconditional22
- unconditionally27
- unconditioned22
- wahconda18
- wahcondas19
- zeptosecond28
- zeptoseconds29