causeway

As nouns the difference between causeway and superhighway

is that causeway is a road that is raised, as to be above water, marshland etc while superhighway is (us) an expressway, especially one designed for high speeds.

As nouns the difference between causeway and pier

is that causeway is a road that is raised, as to be above water, marshland etc while pier is a raised platform built from the shore out over water, supported on piles; used to secure, or provide access to shipping; a jetty.

is likely misspelled.

has no English definition.

As a noun causeway

is a road that is raised, as to be above water, marshland etc.

As nouns the difference between causeway and culvert

is that causeway is a road that is raised, as to be above water, marshland etc while culvert is a transverse channel under a road or railway for the draining of water.

As a verb culvert is

to channel (a stream of water) through a culvert.

As nouns the difference between causeway and bridge

is that causeway is a road that is raised, as to be above water, marshland etc while bridge is a construction or natural feature that spans a divide.

As a verb bridge is

to be or make a bridge over something.