valko

In a sentence

• Tämä valkoinen talo on vanha.

  This white house is old.

  In this sentence, 'valko' appears in its derived adjective form 'valkoinen', meaning 'white', used to describe the noun 'house'.

• Valkoa käytetään paperin valmistamiseen.

  White is used in the making of paper.

  Here, 'valko' is a noun, referring to the color white, demonstrating its use in a general statement.

• Hänen nimensä on Valko.

  His/her name is Valko.

  In this sentence, 'Valko' is a proper noun, used as someone's name, showing its use as a name or title.

• Meillä on valkoinen talo.

  We have a white house.

  In this sentence, 'valko' is used as a root for the adjective 'valkoinen', which means 'white' in describing a noun.

• Koiran turkki oli valkoinen kuin lumi.

  The dog's fur was as white as snow.

  Here, 'valko' again forms the adjective 'valkoinen', being used in a simile to imply a characteristic of the dog's fur.

• Hän katsoi taivasta, joka oli valkoiseksi muuttunut.

  They looked at the sky, which had turned white.

  The word 'valkoiseksi' shows the use of 'valko' in a transformation context, with the suffix '-iseksi' indicating the change to the state of being 'white'.