- A writing system which uses characters to represent consonants but does not indicate the vowels. Examples include Arabic and Hebrew.
- A writing system that use symbols to represent a consonant and vowel combination where the vowel is changed or deleted by the use of diacritics. Mostly synonymical to the term alphasyllabary.
- A bound morpheme that must be put onto another morpheme. For example, "-ed" or "un-".
- The noun which in a transitive verb is imposing the verb upon the other.
- Two or more morphemes that are different but means the same within a language.
- Two or more sounds that are different but considered the same within a language.
- A writing system that uses separate symbols to represent consonants and vowels.
- A writing system that use symbols to represent a consonant and vowel combination where the vowel is changed or deleted by the use of diacritics. Mostly synonymical to the term abugida.
- A class of verb that can be either transitive or intransitive. For example, "eat" optionally takesa direct object: "I eat daily" (intransitive) vs "I do not eat meat" (transitive). Note that though ergative verbs are ambitransitive, a single definition could only refer to an unergative verb.
- A word form used in Italian and other languages in which the word is lacking the final sound or syllable.
- A conlang that is created on a basis of a pre-existing language or languages.
- A conlang that is created from scratch without using pre-existing languages to derive words.
- A word formed by removing an apparent or real affix from an older term. For example, the noun "pea" arose because the final /z/ sound in "pease" sounded like a plural suffix. Similarly, the verb "edit" is a back-formation from the earlier noun "editor". This is not to be confused with clipping which simple shortens a word without changing meaning or part of speech.
- A borrowing by way of a word-for-word or morpheme-for-morpheme translation.
- A morpheme that has the meaning like a word and acts as an affix but can go on phrase level rather than individual words.
- A minor addition or alteration of a grapheme to change its pronunciation, stress or meaning.
- The rules that govern how a language can put word together in order to form sentences.
- The smallest written unit within a writing system. It may be an individual letter, or a single stroke which composes many letters, or even a diacritic.
- A class of consonants containing lateral consonants and rhotics.
- Smallest unit of meaning within a language. Can be an entire free word or affixes placed upon the word. For example, "wolf", "-ed" or "ex-".
- The noun which is being acted upon by another noun which is the subject of a transitive verb.
- The smallest unit of sound within a language.
- The study of sounds in human speech, or of the equivalent aspects of signs in sign language.
- The rules that govern the possible native syllable structures of a language.
- The study of meaning of words.
- A writing system that use one symbol to represent a syllable, most commonly a consonant and a vowel and where the symbols have no relationship with one another.
- A unit of speech that consist of a central core, typically a vowel sourrunded by consonants.
- A word that describes an action or state.
- A unit of meaning that is free in its entirety and may be composed of one or more morphemes. A words typically has a main stress placed somewhere within it.