12-letter words containing r, a, z
- zoogeography — the science dealing with the geographical distribution of animals.
- zoosporangia — Plural form of zoosporangium.
- zorn's lemma — a theorem of set theory that if every totally ordered subset of a nonempty partially ordered set has an upper bound, then there is an element in the set such that the set contains no element greater than the specified given element.
- zuse, konrad — Konrad Zuse