There are 29 adverbs starting with A, 3 adverbs starting with B, 6 adverbs starting with C, 1 adverb starting with D. Additionally, 5 adverbs starting with E, 10 adverbs starting with F, 3 adverbs starting with G, 3 adverbs starting with H. There are 13 adverbs starting with I, 2 adverbs starting with K, 7 adverbs starting with L, 7 adverbs starting with M. Additionally, 7 adverbs starting with N, 8 adverbs starting with O, 7 adverbs starting with P, 2 adverbs starting with Q. Additionally, 5 adverbs starting with R, 13 adverbs starting with S, 8 adverbs starting with T, 5 adverbs starting with U. Only 2 adverbs starting with V, while 3 adverbs starting with W, 1 adverb starting with Z. In total, there are 150 adverbs across all letters.