Toyn·bee 
(toinbē), Arnold Joseph 1889-1975.
(toinbē), Arnold Joseph 1889-1975. British historian and educator who studied cyclical patterns in the growth and decline of civilizations and is noted for his 12-volume Study of History (1934-1961).
- human ecology
- humanely
- humaneness
- human engineering
- human factors engineering
- Human Genome Project
- human growth hormone
- humanhood
- human immunodeficiency virus
- human-interest
- humanism
- humanist
- humanistic
- humanistically
- humanitarian
- humanitarianism
- humanity
- humanization
- humanize
- humanizer
- humankind
- humanly
- human nature
- humanness
- humanoid