1. avail, help, service

a means of serving

Example Sentences:
'of no avail'
'there's no help for it'

• help
• service

2. avail

use to one's advantage

Example Sentences:
'He availed himself of the available resources'

3. avail

be of use to, be useful to

Example Sentences:
'It will avail them to dispose of their booty'

4. avail, help

take or use

Example Sentences:
'She helped herself to some of the office supplies'

• help