rash in English:

1. a lot of small red spots on the skin

English word "rash"(a lot of small red spots on the skin) occurs in sets:

2. to display or to proceed from a lack of careful consideration of the possible consequences of an action

English word "rash"(to display or to proceed from a lack of careful consideration of the possible consequences of an action) occurs in sets:

3. eruption

4. acting or done without careful consideration of the consequences