Prefixation, suffixation, and infixation are all common types of affixation, in which morphemes are added to the beginning, end, or middle of a word, respectively.

Compounding is the process of combining two or more words into a single word, such as 'blackboard' or 'bookstore'.

Reduplication is the process of repeating a word or part of a word, such as 'tick-tock' or 'zigzag'.

Total reduplication, partial reduplication, and echo reduplication are all common types of reduplication.

Inflection is the process of changing the form of a word to indicate its grammatical function, such as tense, aspect, or number.

Suffixation, prefixation, and infixation are all common types of inflection.

Comparative morphology, contrastive morphology, and universal morphology are all terms for the study of cross-linguistic patterns in morphology.

The use of prefixes to indicate tense, the use of suffixes to indicate number, and the use of infixes to indicate aspect are all common cross-linguistic patterns in morphology.

The universal grammar hypothesis is the hypothesis that all languages have a common set of morphological features.

All languages have nouns and verbs, all languages have adjectives and adverbs, and all languages have prepositions and postpositions.

Morpho-syntax, syntax-morphology, and morphological syntax are all terms for the study of the relationship between morphology and syntax.

The use of agreement between nouns and verbs, the use of case marking on nouns, and the use of word order to indicate grammatical relations are all common cross-linguistic patterns in morpho-syntax.

Morpho-semantics, semantics-morphology, and morphological semantics are all terms for the study of the relationship between morphology and semantics.

The use of morphemes to express grammatical meanings, the use of morphemes to express lexical meanings, and the use of morphemes to express both grammatical and lexical meanings are all common cross-linguistic patterns in morpho-semantics.

Morpho-phonology, phonology-morphology, and morphological phonology are all terms for the study of the relationship between morphology and phonology.