This printable bingo card set on the topic of Vocabulary & Spelling has 21 unique items on a 4x4 grid. Each card draws from a pool of 21 items, so every player gets a different card.
Adhere
Anecdote
Aloof
Ambiguous
Analyze
Innocuous
Potent
Deteriorate
Earnest
Taut
Deleterious
Diffident
Enervate
Epiphany
Evanescent
Hubris
Eros
Philos
Hyperbole
Simile
Metaphor