The article explores and evaluates the frequency and number of neologisms in English language. It briefly explains the quantitative and qualitative changes in words, a process known as word-formation, which leads to the creation of new words. From authentic text appearing on web blogs, a sample of 25 words is extracted and compiled on an illustrative graph. The article briefly characterizes and explains the basic processes of word formation, and the words found are listed in the relevant type of word formation and to each type a short sample of authentic text is given. The article also points out the dynamics and speed of word formation which is typical for blogs. New words quickly appear or are forgotten according to the current fashion trend.