9-letter words containing p, e, a, s, o, u
- subpoenas — the usual writ for the summoning of witnesses or the submission of evidence, as records or documents, before a court or other deliberative body.
- superatom — a cluster of atoms behaving in certain ways like a single atom
- supernova — the explosion of a star, possibly caused by gravitational collapse, during which the star's luminosity increases by as much as 20 magnitudes and most of the star's mass is blown away at very high velocity, sometimes leaving behind an extremely dense core.
- superroad — an extremely large road