skull B2

/ˈskʌl/ The bony framework of the head that protects the brain.

shell A2

/ʃel/ The hard outer covering of an animal such as a snail, crab, or turtle.

skill A1

/skɪl/ the ability to do something well, usually gained through learning or practice

shield B2

/ˈʃiːld/ A broad piece of metal, wood, or other material held in the hand to protect the body in battle.

shelf B1

/ʃɛlf/ A flat board fixed to a wall or inside a cupboard, used to hold or store things.

shoal C2

/ʃəʊl/ A large group of fish swimming together.