Tricky words

1. Economical means thrifty, efficient and Economic means monetary
2. Aggravate means worsen and aggravating means irritating
3. known as means named and known to be means acknowledged as
4. loss of means no longer in possession of and loss in means decline in value
5. mandate means command and have a mandate means to have authority from voters
6. native of means person from and native to means species that originated in
7. range of means variety of and ranging means varying
8. rate of means speed or frequency of and rates for means prices for
9. rise means general increase and raise means a bet or a salary increase
10. such as means for instance and like means similar to
11. try to do means seek to accomplish and try doing means experimenting with