Pastry rhymes with:
ancestry, artistry, baptistery, biochemistry, chemistry, dentistry, forestry, geochemistry, industri, industrie, industry, maestri, mckinstry, ministry, mistry, palmistry, registry, silvestri, tapestry
Pastry sounds like:
pacesetter, pachter, paster, pasteur, pastor, pastora, pastore, pasture, pasztor, peachtree, pesatori, pescatore, pester, pfiester, pfiesteria, pfister, pfisterer, picketer, picture, pistor, pistorio, poster, posteraro, posterior, posture, postwar, psychiatry, pusateri