Girasol and Sunflower

Girasol noun - Tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers.

Sunflower and girasol are semantically related. In some cases you can use "Sunflower" instead a noun "Girasol".

Sunflower noun - Any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays.

Girasol and sunflower are semantically related. Sometimes you can replace term "Girasol" with "Sunflower", this nouns are similar.