9-letter words containing a, c, h, r, o
- promachos — a defender or champion
- prophasic — relating to the first stage of nuclear division
- proseucha — a place of prayer, esp for Jewish worship
- quebracho — any of several tropical American trees of the genus Schinopsis, having very hard wood, especially S. lorentzii, the wood and bark of which are important in tanning and dyeing.
- racehorse — a horse bred or kept for racing, especially in flat races or steeplechases.
- radicchio — a variety of chicory originating in Italy, having a compact head of reddish, white-streaked leaves: leaves and roots may be cooked or used raw in salads.
- reach rod — a rod for operating a remote piece of machinery, as a valve.
- rh factor — any of a type of specific antigen present on the surface of red blood cells, persons having inherited such antigens being designated Rh+ (Rh positive) and persons lacking them, a much smaller group, being designated Rh− (Rh negative) blood of Rh− persons is incompatible with Rh+ blood because of antibody reaction, and an Rh− woman who bears an Rh+ baby will have formed antibodies to the fetal blood that, unless removed from her bloodstream by apheresis in a subsequent pregnancy, will be carried across the placenta and destroy red blood cells of the next Rh+ fetus, resulting in erythroblastosis in the newborn.
- rhapontic — a type of rhubarb
- rhapsodic — extravagantly enthusiastic; ecstatic.
- rheobasic — of or relating to rheobase
- rhizocarp — a plant that fruits underground or whose root remains intact while the leaves die off annually
- rhizocaul — a rootlike stem or stalk
- rhotacism — Historical Linguistics. a change of a speech sound, especially (s), to (r), as in the change from Old Latin lases to Latin lares.
- rhotacize — to change (a sound) to an (r); subject to rhotacism.
- rock-hard — Something that is rock-hard is very hard indeed.
- rockshaft — an oscillating shaft.
- rood arch — an archway at the center of a rood screen.
- rotachute — a device serving the same purpose as a parachute, in which the canopy is replaced by freely revolving rotor blades, used for the delivery of stores or recovery of missiles
- roughback — any of several large American flatfishes having rough skin, especially Hippoglossoides platessoides, a species of plaice.
- roughcast — Also called spatter dash. an exterior wall finish composed of mortar and fine pebbles mixed together and dashed against the wall. Compare pebble dash.
- roundarch — having rounded arches
- saccharo- — sugar
- sash cord — a cord for connecting a vertically sliding window sash with a counterweight.
- scholarch — the head of a school.
- scholarly — of, like, or befitting a scholar: scholarly habits.
- sharecrop — to cultivate (farmland) as a sharecropper
- shoe rack — shelving unit for storing footwear
- shopcraft — any of various skilled trades involving maintenance or repair work, as metalworking or boilermaking, especially in the railroad industry.
- shortcake — a cake made with a relatively large amount of butter or other shortening.
- show card — an advertising placard or card.
- stomacher — a richly ornamented garment covering the stomach and chest, worn by both sexes in the 15th and 16th centuries, and later worn under a bodice by women.
- stroupach — a cup of tea
- tachogram — the record produced by the action of a tachometer.
- theocracy — a form of government in which God or a deity is recognized as the supreme civil ruler, the God's or deity's laws being interpreted by the ecclesiastical authorities.
- theocrasy — a mixture of religious forms and deities by worshipers.
- thornback — a skate, Raja clavata, of European waters, having short spines on the back and tail.
- throwback — an act of throwing back.
- tocharian — a member of a central Asian people of high culture, who were assimilated with other peoples about the 11th century a.d.
- torchable — able to be torched or set alight
- touchmark — touch (def 55a, c).
- tovarisch — comrade (used as a term of address in the Soviet Union).
- tracheole — any of the smallest branches of an insect trachea.
- traycloth — a small cloth or piece of table linen used to cover or fit into a tray used for carrying
- trochlear — Anatomy. of, relating to, or connected with a trochlea.
- trossachs — a valley in central Scotland, in Perth county, near Loch Katrine.
- up-anchor — to weigh anchor.
- watch for — be vigilant for, careful of
- watchword — a word or short phrase to be communicated, on challenge, to a sentinel or guard; password or countersign.
- who cares — I don't care