Crossword Puzzle Triangular houses

Clue: Triangular houses

Triangular walls (GABLES with 6 letters)
Marshes with libraries and opera houses? (CULTURALMORASSES with 16 letters)
Triangular Greek letters (DELTAS with 6 letters)
Parts of houses and mouths (ROOFS with 5 letters)
Support for some houses (TREE with 4 letters)
Baja houses (CASAS with 5 letters)
Some tree houses (NESTS with 5 letters)
College frat with the greatest number of chapter houses (200+) (SIGEP with 5 letters)
Animal houses (e.g. BARNS with 5 letters)
Triangular sail (e.g. JIB with 3 letters)