-ological

-o-

A linking vowel inserted interconsonantally between two morphemes, to ease pronunciation, without contributing to the meaning. It frequently joins words or combining forms of Ancient Greek or Classical Latin origin in the classical compounds of New Latin and international scientific vocabulary, but it can also be used to join modern terms and even abbreviations, either formally or informally.

-logical

Used to form adjectival forms of nouns ending in -logy.

也可拆解为

-ology

Alternative form of -logy, used for phonological reasons when the preceding morpheme ends in certain consonant sounds. · (often humorous) added to an ordinary English word to create a name for a (possibly non-existent) field of study.

-ical

Used to form adjectives from nouns with the meaning "of or pertaining to"; adjectival suffix appended to various words, often nouns, to make an adjective form. Often added to words of Greek or Latin origin, but used with other words also.