"forming a diminutive of endearment," 1650s, hypocoristick, from Greek hypo- "under, beneath, less than." Related: Hypocoristical (c. 1600).
hypo-allergenic
hypocaust
hypochondria
hypochondriac
hypochondriasis
hypocoristic
hypocrisy
hypocrite
hypocritic
hypocritical
hypodermic