chalk

noun 0.836

red chalk

noun 0.726

chalking

noun 0.704

chalkiness

noun 0.676

chalk and cheese

noun 0.633

china clay

noun 0.628

chalkboard

noun 0.626

chal

noun 0.601

ball clay

noun 0.591

clunch

noun 0.582

carbonate of lime

noun 0.578

calk

noun 0.574

clay

noun 0.572

challis

noun 0.570

calcium carbonate

noun 0.568

chert

noun 0.566

calcium chloride

noun 0.562

kaolin

noun 0.551

limestone

noun 0.547

coccolith

noun 0.546

chockstone

noun 0.545

calcite

noun 0.544

chock

noun 0.542

calx

noun 0.540

chard

noun 0.539

shale

noun 0.537

chole

noun 0.536

clinochlore

noun 0.536

chabazite

noun 0.532

chalcedony

noun 0.531

kaolinite

noun 0.529

chloride

noun 0.529

marlstone

noun 0.527

chalcone

noun 0.524

limescale

noun 0.522

carbonate

noun 0.520

fire clay

noun 0.520

chloral

noun 0.518

chorine

noun 0.517

slaked lime

noun 0.516

chloritoid

noun 0.514

talc

noun 0.514

black shale

noun 0.513

magnesium chloride

noun 0.509

chlordane

noun 0.508

alkaline

noun 0.507

charcoal

noun 0.506

oxychloride

noun 0.504

chlorinated lime

noun 0.504

calcium

noun 0.504

cheddar

noun 0.503

clinker

noun 0.501

clathrate

noun 0.501

clathrin

noun 0.501

chank

noun 0.501