Superlatiivin
Superlatiivi is a Finnish word referring to the superlative degree of adjectives and adverbs. In Finnish grammar, it is used to express the highest degree of a quality, indicating that something possesses that quality more than anything else in a given comparison. The superlative is formed by adding the suffix -in to the stem of the adjective or adverb, often with vowel harmony considerations. For example, 'kaunis' (beautiful) becomes 'kaunein' (most beautiful), and 'nopeasti' (quickly) becomes 'nopeimmin' (most quickly).
The superlative construction in Finnish typically involves the superlative form followed by the genitive case of