17-letter words containing o, s, i
- yuzhno-sakhalinsk — a city in the SE Russian Federation in Asia, on S Sakhalin Island.
- zebra swallowtail — a swallowtail butterfly, Papilio marcellus, having black and greenish-white stripes on the wings.
- zola technologies — (company) Producers of the Z simulation language.
- zygomatic process — any of several bony processes that articulate with the cheekbone.