All 16 words, sorted alphabetically. Group them into four categories of four.
The four category names, easiest to hardest. No words revealed yet.
Theme name plus one word from each category.
DRAW, PULL, SUCK, and WICK all describe the process of absorbing liquid through capillary action, like a candle wick drawing wax or a paper towel soaking up water.
HYPER, KILO, META, and NEO are all prefixes of Greek origin commonly used in English to modify words (e.g., hyperactive, kilometer, metamorphosis, neonatal).
BABE (the talking pig), BOLT (the dog), DUMBO (the elephant), and TED (the teddy bear) are all titular talking or anthropomorphized animal characters from well-known films.
GNOME (silent G), KNEE (silent K), MNEMONIC (silent M), and PSYCHE (silent P) all begin with silent letters that are written but not spoken aloud.