Use the following words both as verb and noun.
[i]laugh-noun,verb
[ii]smile-noun,verb
[iii]work-noun,verb
[iv]read-noun,verb

[i]laugh- His laugh is contagious. (noun)         He laughed out aloud. (verb)
[ii]smile- He has a beautiful smile. (noun)       He smiled at me. (verb)
[iii]work- Work is worship. (noun)                   He worked hard to achieve success. (verb)
[iv]read-  Let me have a read of this book before I answer your question. (noun)
                Please read the instructions carefully. (verb)