fast (part of speech: adjective)
hastily (part of speech: adverb)
- Never plant corn until the soil has become warm enough to make it come up quickly and grow rapidly. - "Soil Culture", J. H. Walden.
- " No." " She'll have no one but you," he went on rapidly. - "The Gloved Hand", Burton E. Stevenson.
- And he told rapidly but in detail, the story of Nucky's first two days in the Canyon. - "The Enchanted Canyon", HonorÃ© Willsie Morrow.