korelat-ar: (intr.) to be in correlation; -anta, -iva: -ivo: correlative: standing in reciprocal relation; -iva termini: correlative terms. — DEFIRS
korespond-ar: (intr.) to correspond: to hold communication by letters, (kun ulu); to answer in character, function, etc., be adequate (ad ulo); (cf. konform-esar, konkordar). — DEFIRS
koriandr-o: (bot.) coriander (Coriandrum sativum). — DEFIS
koribant-o: (antiq.) Corybant: a priest of Cybele. — DEFIRS
koridor-o: corridor, passage-way. — DEFIRS
korife-o: (antiq.) coryphæus (ballet) coryphee; (fig.) one distinguished in his profession or in a society. — DeFIRS
korimb-o: (bot.) corymb. — EFIS
korint-o, -i: (dried or shop) currant(s). — DFRS
korion-o: chorion, the outside membrane of the foetus. — DEFIS
kork-o: cork(-bark); -o-querko: c. tree; -izar: to cork (a bottle), to lay c. on (a floor, etc.); -o-flotac-ero: c. float; c. belt; -o-tir-ilo: corkscrew. — DE
kormoran-o: (orni.) cormorant (genus: Phalacrocorax). — DEFI
korn-o: horn (of animals, as material or as used in wind instrument); -a, -oza, -atra: corneous, horned, horny; -izar: to put horns on; -agar: to horn, gore; -eskar: to become h.; -isto, -ero: horn-blower; -e anuncar, proklamar: to blare out, trumpet; -o-plear: to blow or wind the h.; -o-brancho: antler; abundo- -o: horn of plenty, cornucopia; tri-korna chapelo: three cornered hat; -o-kofio: cornet: head-dress worn by sisters of charity. — eFIS
kornaj-ar: (med.) to be short of breath. — DEFIRS
kornalin-o: (min.) cornelian, carnelian. — DEFIS
kornak-o: cornac: elephant driver, mahout. — DeFIS
kornamuz-o: bagpipe; -o-plear: (intr.) to play the bagpipe. — FIS
korne-o: (anat.) cornea. — DEFIS
kornel-o: (bot.) cornel-berry, dog-berry; -iero: cornel (genus:Cornus). — DEFIRS
kornet-o: (instr.) horn, kind of trumpet; papera -o: paper cone (as for holding candy); valvo- -o: cornet: cornet-a-pistons; (valvo-) -isto: cornetist. — DeFIS
kornic-o: (arch.) cornice. — EFIRS
kornik-o: (orni.) crow; (cf. korvo, frugilego). — FIS
korod-ar: (tr.) to corrode; -anta, -iva: corrosive. Ex.: La rusto korodas la fero. — DEFIS
koroid-o*: (anat.) choroid coat of the eye.
korol-o: (bot.) corolla. — DEFIS
korolari-o: (log., math.) corollary. — DEFIRS
korp-o: body: total organised substance of a person, animal or plant; the principal part of anything; (milit.) corps; -ala: corporal, corporeal, bodily; -eskar: to become body, materialize; -exerc-(ad)o: bodily exercise; -o-gard-isto: bodyguard. — DeFIRS
korporacion-o: corporation (cf. gildo). — DEFIRS
korporal-o*: (Cath. lit.) corporaclass="underline" communion cloth. — DEFIS
korpulent-a: corpulent, stout (cf. obeza, repleta). Def.: Ta qua havas la tota korpo (anke la membri) grosa, dika; lu esas muskuloza, do generale forta e sana; VI-601. — DEFIS
korpuskul-o: corpuscle. — DEFIS
kors-o: public-drive, -walk. Def.: Speco di promeneyo en urbo; III-203. — DFI
korsaj-o: corsage, bodice. — EF
korsar(ul)o: corsair: privateer; (fig.) pirate; (cf. pirato); -navo: privateer. — DEFIRS
korset-o: corset, stays; -izar: to corset (ulu); -kovr-ilo: corset cover. — DEFRS
kort-o: (of justice, of sovereign) court: (of a house) court(-yard); -ana: courtly (person); -ano: courtier, member of a court; -an-eso: courtliness; -o supera, eceptala: highest court, court of appeals. — EFIS
kortic-o: (also anat.) cortex: bark (of trees); sen-kortic-igar: to strip trees of bark. — EFIS
korund-o: (min.) corundum. — DEFIRS
korupt-ar: (tr., phys., moral) to corrupt: taint, spoil; deprave, demoralize. Ex.: La kaloro balde koruptas karno en la somero. Koruptar linguo, texto, judiciisto, la mori di ulu. — DEFIRS
korv-o: (orni.) raven (Corvus corax); (astron.) Corvus. — L
korve-ar: (intr.) to do corvee; to do compulsory (or, statute-) labo(u)r (on highways, etc.); (milit.) to do fatigue duty. — eF
korvet-o: (nav.) corvette; sloop of war. — DeFIRS
ko-sek-ant-o*: (geom.) cosecant.
ko-sinus-o*: (geom.) cosine.
kosm-o: cosmos, -ala: cosmic. — DEFIRS
kosmetik-o: (art of using) cosmetics; -ajo: cosmetic article; -ala: cosmetic. — DEFIRS
kosmogoni-o: cosmogony. — DEFIRS
krecent-o: crescent; (fig., cook.) a crescent-shaped roll. — EFIS
kred-ar: (tr.) to believe (ulu, ulo); me tote ne -as to: I do not believe it at all; -ar historio: to believe (in) history; -ar ulu kom richa: to believe someone to be rich; kred-igar ulo da ulu (igar ulu kredar ulo): to cause someone to believe something; -o: faith, belief, believing; -end-ajo, -formulo, -artiklo, -i: creed; -ema: credulous; -ebla, -inda: credible; -o-deklaro: declaration of faith; -ar rumoro: to credit a rumo(u)r. — EFIRS
kredenc-o: (in church) credence (-table); (in house) sideboard, buffet. — DEFIS
kredit-ar: (tr., com.) to credit: to enter upon the credit side of an account; to give trust or credit to (ulu) (cf. kredar); -o: credit: reputation for solvency; delay in payment (cf. estimo); -ajo: a c. entry; -anto, -ero: creditor; -o-letro: letter of c.; -o-konto: a c. account; -e vendar: to sell on c.; sen- -igar, des- -izar: to discredit; to deprive of (commercial) c.; (fig.) to bring into disrepute; (cf. kredar). Ant.: debet-igar. — DEFIRS