- Kudos Noun Inter
- Kudu Noun Adj
- Kudzu Noun Adj
- Kufic Adj Noun
- Kugelblitz Noun Pnoun
- Kukri Noun Adj
- Kulak Noun Adj
- Kulich Noun Adj
- Kumiss Noun Adj
- Kumquat Noun Adj
- Kumquats Noun
- Kumys Noun Adj
- Kunzite Noun Adj
- Kuomintang Noun Pnoun
- Kurd Noun
- Kurdish Adj Noun
- Kurgan Noun Adj Pnoun
- Kuriles Noun Pnoun
- Kursaal Noun Adj
- Kurtosis Noun Adj
- Kuwaiti Adj Noun Pnoun
- Kvass Noun Adj
- Kvetch Noun Verb
- Kvetching Noun Pres. Participle
- Kwacha Noun Adj
- Kwachas Noun
- Kwanza Noun Pnoun Adj
- Kwashiorkor Noun Adj
- KWh Noun Adj
- Kyanite Noun Adj
- Kyanization Noun
- Kyat Noun Adj
- Kybosh Noun Verb
- Kymogram Noun Adj
- Kymograph Noun Adj
- Kymography Noun
- Kynophobia Noun
- Kynurenine Noun Adj
- Kyphoscoliosis Noun
- Kyphoscoliotic Adj Noun
- Kyphosis Noun Adj
- Kyphotic Adj Noun
- Kyrgyz Adj Noun Pnoun
- Kyrie Noun Inter Pnoun
- Kytoon Noun Adj