Words That Rhyme With "Claustral" :
2 syllables:
astral, austral, coistrel, costal, costrel, hostel, kestrel, mistral, nostril, rostral, wastrel
3 syllables:
ancestral, cadastral, campestral, orchestral, precostal, subastral, subcostal
4 syllables:
dentirostral, intercostal, Pentecostal