difference between similar() and concordance in nltk

Question

I have read the text1.similar(\"monstrous\") and text1.concordance(\"monstrous\") from this.

Where I couldn\'t get the satisfactory answer for the difference betwee

Answer 1

I will explain with example:

text1.similar("monstrous")

will output the words with similar context such as word1 ______ word2. For example it outputs the word doleful. If you run:

text1.concordance("monstrous")

You will see among the matches the line:

that has survived the flood ; most monstrous and most mountainous ! That Himmal

If you run:

text1.concordance("doleful")

You will see among the matches the line:

ite perspectives . There ' s a most doleful and most mocking funeral ! The sea

And

text1.common_contexts(["monstrous", "doleful"])

will output common surrounding words of monstrous and doleful which are "most" and "and"

most_and