iamerican software package provides American English dictionary for ispell (standard version), you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install iamerican
iamerican is installed in your system.
Make ensure the iamerican package were installed using the commands given below,
$ sudo dpkg-query -l | grep iamerican *
You will get with iamerican package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Text Processing |
| Package | iamerican |
| Version | 3.4.00-5 |
| Description | American English dictionary for ispell (standard version) |
| Sub Section | text |