mantra /manˈtrə/, also mantram /-trəm/

1. A Vedic hymn (Hinduism)
2. A sacred text used as an incantation
3. Extended to music having a mystical effect
4. A word, phrase, etc, chanted or repeated inwardly in meditation (Hinduism and Buddhism)

• umpteen
• umpteenth
• umptieth
• umpty
• umquhile
• umra
• umrah
• umrahs
• umras
• UMTS
• umwhile
• 'un
• un
• un-
• UN
• UNA
• unabashed
• unabated
• unabbreviated
• unable
• unable to believe one's ears
• unable to believe one's eyes
• unabolished
• unabridged
• unabrogated