22-letter words containing o, p, h, i
- white-throated sparrow — a common North American finch, Zonotrichia albicollis, having a white patch on the throat and a black and white striped crown.
- within someone's grasp — If you say that something is within someone's grasp, you mean that it is very likely that they will achieve it.
- zero population growth — the maintenance of a population at a constant level by limiting the number of live births to that needed to replace the existing population.