The prevalence of keyword grouping is highest for plurals, and very low for typos. This may be a result of the sample of keywords used in this study, but overall, around 50% of keywords in the sample are grouped. This indicates that, although this volume grouping is a growing phenomenon in keyword planner data, it is not yet consistent across all serps.

This is a Surprising Result

The motivation for conducting this study was to Lumber and Wood Manufacturers Email List confirm the suspicion that google associating keyword volumes means that it also associates the search intent.  There is no significant difference between grouped and ungrouped keyword pairs when it comes to serp similarity.

The One Group Where There is a Larger Difference is the Verb Stems Category

This is likely because there are many verbs DW Leads where the present and past tense mean very different things, indicating different search intent. For example, the keywords [march] and [marched] have completely different intents due to the multiple meanings of the word ‘march.’ this means that there’s no chance that these serps will be similar.