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Synonyms for Porticoed (same or very similar meaning)

WordNet sense 1 (marked by columniation having free columns in porticoes either at both ends or at both sides of a structure):
amphiprostylar, amphiprostyle, amphistylar

WordNet sense 2 (having columns at one or both ends but not along the sides):

From the ODE community, based on WordNetadd/edit