Words with "ck" spelling:
* Common words: back, pack, track, luck, sick, pick, quick, thick, stick, clock, block, flock, rock, sock, lock, knock, etc.
* Less common words: crick, chic, chicory, flick, slick, click, etc.
* Words ending with "-ack" or "-eck": attack, crack, hack, lack, pack, snack, check, neck, wreck, etc.
Words with other spellings ending in "ck" sound:
* Words ending in "ch": catch, fetch, watch, touch, reach, etc.
* Words ending in "gh": laugh, cough, tough, enough, etc.
* Words ending in "gue": fatigue, intrigue, dialogue, etc.
Important Note: The "ck" sound can be represented by different spellings depending on the context and the origin of the word.
Let me know if you'd like more examples of specific word types!