14-letter words containing o, p, u, g, n, a
- spermatogonium — one of the undifferentiated germ cells giving rise to spermatocytes.
- sunday opening — the act of allowing shops and businesses to open on a Sunday
- supererogation — to do more than duty requires.
- unprogrammable — not able to be programmed
- zygosporangium — a sporangium that bears a zygospore.