A pod is a type of fruit or seed-bearing structure that is composed of several components. The SHELL, or outer covering, is a five-letter word, 'SHELL'. Inside the SHELL is a four-letter word, 'CASE', which is the protective covering of the seeds. The SEEDCASE is an eight-letter word, 'SEEDCASE', which contains the actual seeds. A CAPSULE is a seven-letter word, 'CAPSULE', which is a dry, hard-shelled fruit. A GAM is a three-letter word, 'GAM', which is a type of pod with a thin, leathery outer covering. The HULL is a four-letter word, 'HULL', which is the outer covering of a seed. A SHUCK is a five-letter word, 'SHUCK', which is the husk or outer covering of a seed or fruit. Finally, a peaholder is a nine-letter word, 'PEAHOLDER', which is a type of pod with a tough, fibrous outer covering.