4 vocabulary words starting with K
K is the smallest letter group in most GRE word lists. Words like kindle and knack occasionally appear in passages, but this is a group you can review quickly and move on from to spend more time on higher-frequency letters.
The word 'key' is commonly used in GRE vocabulary.
The first generation knitted to order; the second still knits for its own use; the next leaves knitting to industrial manufacturers.