-grader-grader /ɡreɪdə $ -ər/ suffix [in nouns] 
first-grader/fourth-grader etc a student in one of the 12 years in an American school
first-grader/fourth-grader etc a student in one of the 12 years in an American school- silverfish
- silver foil
- silver jubilee
- Silver, Long John
- silver medal
- silver medallist
- silver paper
- silver plate
- silver-plated
- silver screen
- silversmith
- Silvers, Phil
- Silverstone
- silver surfer
- silver-tongued
- silverware
- silver wedding anniversary
- silvery
- Sim card
- Simenon, Georges
- simian
- similar
- similarity
- similarly
- simile