22-letter words containing a, n, e, i
- ysbaddaden chief-giant — the father of Olwen.
- 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.
- zodiacal constellation — any of the 12 constellations after which the signs of the zodiac are named: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, or Pisces