acidified — Simple past tense and past participle of acidify.
solidified — to make solid; make into a hard or compact mass; change from a liquid or gaseous to a solid form.
thalidomide — a crystalline, slightly water-soluble solid, C 13 H 10 N 2 O 4 , formerly used as a sedative: if taken during pregnancy, it may cause severe abnormalities in the limbs of the fetus.
uncivilized — not civilized or cultured; barbarous.
Four-or-more syllable rhymes
dehumidifier — A dehumidifier is a machine that is used to reduce the amount of moisture in the air.