Give the names as secondary suffixes and primary suffixes for the following :
`-COOH, -CHO, -CN, -OH, -NH_(2)`

Explanation

To provide a clear and structured solution to the question, we will identify the functional groups given and assign the appropriate primary and secondary suffixes for each.

### Step-by-Step Solution:

1. **Identify the Functional Group: -COOH**
- This functional group is known as a carboxylic acid.
- **Primary Suffix:** -oic acid
- **Secondary Suffix (Prefix):** carboxy-
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