Choose from the options the word that has the same consonant sound as the one represented by the underlined?

Caliph?

Choose the option that has the same consonant sound as the one represented by the letter(s) underlined.

National

Choose the option that has the same consonant sound as the one represented by the letter(s) underlined.

foot

Choose the option that has the same consonant sound as the one represented by the letter(s) underlined.

mother

Choose the word that has the same CONSONANT SOUND as the one represented by the letter(s) underlined.
wash