कुछ —

कुछ  pro, a) some, a few; something 

कुछ एक/कुछेक  a few

कुछ कुछ  somewhat (algo, un tanto), a little 

कुछ न कुछ  something

सब कुछ/सबकुछ  whatever (lo que quiera, cualquiera); everything

कुछ और  something else  और कुछ नहीं  nothing; pure and simple   

कुछ का कुछ  something different from expected

कुछ पहले  a bit earlier (un poco antes)

कुछ भी  anything; no matter what

कुछ भी नहीं  nothing; none (ninguno, nadie, en absoluto)

जो कुछ (भी)  whatever (lo que, todo lo que; cualquier[a])

कुछ भी हो  whatever happens; in any case

कुछ ही  hardly anything, hardly a few - कोई ही  hardly anyone