[...] the grammatically significant elements cluster, as in Latin, at the end of the word [...]
- Sapir (1921), a pag.71

As the most common subject of discourse is either a person or a thing, the noun clusters about concrete concepts of that order.
- Sapir (1921), a pag.119

As the thing predicated of a subject is generally an activity in the widest sense of the word [...] the form which has been set aside for the business of predicating, in other words, the verb, clusters about concepts of activity.
- Sapir (1921), a pag.119

There is something irresistible about a method of classification that starts with two poles [...] clusters what it conveniently can about these poles, and throws everything else into a 'transitional type.'
- Sapir (1921), a pag.123

In a synthetic language [...] the concepts cluster more thickly, the words are more richly chambered, but there is a tendency [...[ to keep the range of concrete significance in the single word down to a moderate compass.
- Sapir (1921), a pag.128

It would almost seem that linguistic features [...] that seem to have no necessary connection in theory, have nevertheless a tendency to cluster or to follow together in the wake of some deep, controlling impulse to form that dominates their drift.
- Sapir (1921), a pag.141

If all the speakers of a given dialect were arranged in order in accordance with the degree of their conformity to average usage [...] they would constitute a very finely intergrading series clustered about a well-defined center or norm.
- Sapir (1921), a pag.148