R. S. Ginzburg, S. S. Khidekel, G. Y. Knyazeva, A. A. Sankin a course in modern english

(cf. actor), sculptress (cf. sculptor), tigress (cf. tiger), etc. It may be easily, observed that in such cases the sound [9] is contracted in the feminine nouns.

Further, there are suffixes due to which the primary stress is shifted to the syllable immediately preceding them, e.g. courageous (cf. courage), stability (cf. stable), investigation (cf. investigate), peculiarity (cf. peculiar), etc. When added to a base having the suffix -able/-ible as its component, the suffix -ity brings about a change in its phonetic shape, namely the vowel [i] is inserted between [b] and [1], e.g. possible — possibility, changeable — changeability, etc. Some suffixes attract the primary stress on to themselves, there is a secondary stress on the first syllable in words with such suffixes, e.g. `employ´ee (cf. em´ploy), `govern´mental (cf. govern), `pictu´resque (cf. picture).