1. Not proved
   - unproved

See also: on trial, unverified

• hypo-eutectoid steel
• hypoactive
• hypoadrenalism
• hypoadrenocorticism
• hypobasidium
• hypobetalipoproteinemia
• hypoblast
• hypocalcaemia
• hypocalcemia
• hypocapnia
• hypocaust
• hypocellularity
• Hypochaeris
• Hypochaeris radicata
• hypochlorite
• hypochlorous acid
• Hypochoeris
• hypochondria
• hypochondriac
• hypochondriacal
• hypochondriasis
• hypochondrium
• hypochromic anaemia
• hypochromic anemia
• hypocorism