In fusional languages and polysynthetic languages, this is often not the case.
From the en.wikipedia.org
Traditional Tiwi, spoken by people over the age of fifty by 2005, is polysynthetic.
From the en.wikipedia.org
Not all languages can be easily classified as being completely polysynthetic.
From the en.wikipedia.org
If these multiple twins are aligned in parallel they are called polysynthetic twins.
From the en.wikipedia.org
Innu-aimun is a polysynthetic, head-marking language with relatively free word order.
From the en.wikipedia.org
The American Podiatric Medical Association recommends socks made of a polysynthetic blend.
From the sacbee.com
For these reasons, Chippewa's basic morphological type is polysynthetic.
From the en.wikipedia.org
Polysynthetic languages have arisen in many places around the world.
From the en.wikipedia.org
Traditional Tiwi is a polysynthetic language while Modern Tiwi is isolating, with some inflection.
From the en.wikipedia.org
More examples
Agglutinative: forming derivative or compound words by putting together constituents each of which expresses a single definite meaning
In linguistic typology, polysynthetic languages are highly synthetic languages, i.e., languages in which words are composed of many morphemes. Whereas isolating languages have a low morpheme-to-word ratio, polysynthetic languages have extremely high morpheme-to-word ratios.
Said of a language, characterized by a prevalence of relatively long words containing a large number of morphemes. Typically, the morphemes are bound (i.e., they cannot stand alone as independent words). An example of a polysynthetic language is Ojibwe, where:; Having layers of twin crystals
[language typology] A reference to a language which has large complex words in which several grammatical categories are fused together. See Incorporation.
Languages which are not agglutinative are called fusional languages; they combine morphemes by "squeezing" them together, often changing the morphemes drastically in the process.