mussel

As a noun mussel

is a small edible bivalve shellfish of the families unionidae (fresh water mussels) and mytilidae (salt water mussels).

As a verb mussed is

(muss).

As nouns the difference between oyster and mussel

is that oyster is any of certain marine bivalve mollusks, especially those of the family ostreidae (the true oysters), usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers while mussel is a small edible bivalve shellfish of the families unionidae (fresh water mussels) and mytilidae (salt water mussels).

As an adjective oyster

is of a pale beige colour tinted with grey or pink, like that of an oyster.

As a verb oyster

is to fish for oysters.

As nouns the difference between missel and mussel

is that missel is (obsolete) mistletoe while mussel is a small edible bivalve shellfish of the families unionidae (fresh water mussels) and mytilidae (salt water mussels).

As nouns the difference between taxonomy and mussel

is that taxonomy is the science or the technique used to make a classification while mussel is a small edible bivalve shellfish of the families Unionidae (fresh water mussels) and Mytilidae (salt water mussels).

As a noun mussel

is a small edible bivalve shellfish of the families unionidae (fresh water mussels) and mytilidae (salt water mussels).

As an adjective conchoidal is

(mathematics) of or pertaining to a conchoid; that may be defined as a conchoid.

As nouns the difference between mussel and mytilid

is that mussel is a small edible bivalve shellfish of the families unionidae (fresh water mussels) and mytilidae (salt water mussels) while mytilid is (biology) any bivalve mollusc of the order (taxlink) ; the mussels.

As nouns the difference between mussel and bathymodiolin

is that mussel is a small edible bivalve shellfish of the families unionidae (fresh water mussels) and mytilidae (salt water mussels) while bathymodiolin is (biology) any of several deep-sea mussels, of the genus (taxlink), often found near hydrothermal vents.