Big Huge Thesaurus

concretion

noun

• calculus
• compaction
• compression
• densification
• coalescence
• coalescency
• coalition
• conglutination
• action
• activity
• concentration
• conjugation
• jointure
• natural action
• natural process
• rock
• stone
• unification
• union
• uniting

sounds kind of like

• commiseration
• common ageratum
• concertina
• conjuration
• consecration
• consortium
• cosmic radiation