This is the 1964th most frequent Japanese word.
すみれ
Violet (a type of flower).
Here, "すみれ" (sumire) is used as a noun to refer to the flower 'violet.'
すみれは美しい花です。
Violets are beautiful flowers.
In this sentence, "すみれ" (Sumire) is used as a proper noun, specifically a given name for a person.
すみれさんは日本に住んでいます。
Sumire lives in Japan.
Here, "すみれ" (sumire) is utilized in a simile, symbolizing gentleness through the connotation of the violet flower.