The consonant inventory of Northern Sami is large, contrasting voicing for many consonants. Some analyses of Northern Sami phonology may include preaspirated stops and affricates (, , , , ) and pre-stopped or pre-glottalised nasals (voiceless , , , and voiced , , , ). However, these can be treated as clusters for the purpose of phonology, since they are clearly composed of two segments and only the first of these lengthens in quantity 3. The terms "preaspirated" and "pre-stopped" will be used in this article to describe these combinations for convenience.