1 (express) thanks

2 gratitude

3 grateful

4 thankful

5 thanks

1 to fit

2 balanced

3 suitable

1 to thank

2 thanks

3 thank you

1 replacement

2 substitution

3 metabolism (biol.)

1 commonly referred to as

2 common term

1 voices unanimous in praise (idiom); with an extensive public reputation

1 to bow before (idiom)

2 to capitulate

1 to click one's tongue in wonder (idiom)

2 to be astonished

1 metabolism (biology)

2 the new replaces the old (idiom)

1 after one's heart (idiom); gratifying and satisfactory

2 everything one could wish