In this post I am going to talk about the keyword explosion tools A1 Keyword Research has for growing an existing keyword list. A future post will address how it can research and build keyword lists nearly from scratch.
We are going to address following issues:
- Combine and tumble keyword lists
- Permutation of phrases in a keyword list
- How to cover typo and spelling errors
- Various tools to clean your keyword lists

How to combine and tumble keyword lists together:
Assume you have following 3 keyword lists:
Keyword list group #1:
Keyword list group #2:
Keyword list group #3:
Use tumble to input to get following keyword phrases:
- keyword marketing program
- keyword marketing software
- keyword marketing tool
- keyword research program
- keyword research software
- keyword research tool
- keywords marketing program
- keywords marketing software
- keywords marketing tool
- keywords research program
- keywords research software
- keywords research tool
Have permutation cover all word orders in all phrases:
Assume you have following keyword phrase in “input”:
- keyword marketing program
The word order tool can permutate above sentence into:
- keyword marketing program
- keyword program marketing
- marketing keyword program
- marketing program keyword
- program keyword marketing
- program marketing keyword
How to take your keyword lists to the next level:
Can you imagine the number of thousands of phrases above two tools can generate for you? Well, we are not done!
Do you have customers that found you using spelling and typo errors in their searches? Probably not… But maybe you will soon. Move your keyword list into “input” and get ready to use following 3 tools:
- “Missing space”. Example: “keyword research” adds “keywordresearch”.
- “Missing letter”. Example: “keyword marketing” adds “keyword markeing”, “keyword markting” etc.
- “Switched letter”. Example: “keyword tool” adds e.g. “kewyord tool”, “keywrod tool” etc.
Cleaning and sorting your final keyword list:
Everyone is different, but if you like to have neat keywords lists here are the tools you need:
- Filter on min/max characters/words
- Filter on allow list of characters (to remove illegal)
- Lower case all keyword phrases
- Sort keyword phrases
- Trim for superfluous spaces
- Remove words repeated, e.g. “phrase phrase expansion”
- Remove phrase duplicates, e.g. “research program” and “research program”
- Remove permutations, e.g. “keywords explode” and “explode keywords”
Above is just one of many tools available in A1 Keyword Research. I will showcase more of them in this blog as time permits