This script will find strings in binary file. Strings will be with real english words that are at least 4 letters.
Command to download dictionary: curl https://users.cs.duke.edu/~ola/ap/linuxwords > ~/words.txt
Usage example: ./strings_words.sh binary_file.o
Original answer: https://serverfault.com/a/463012/595012
Words list/dictionary: https://users.cs.duke.edu/~ola/ap/linuxwords