Keyword · US · updated 2026-08-15
what is the immune system
- Monthly searches
- 3,600
- CPC
- $0.22
- Competition
- 0.01
Also searched
- immune system 60,500
- system immune 60,500
- immune 49,500
- immunologic system 49,500
Monthly average for US, from the Google Ads API: the same numbers you'd see in Google Ads.
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Related keywords
Keywords with overlapping search results. Similar volume and high overlap means the same search intent, so you can target either.
| Keyword | Volume | CPC | Overlap |
|---|---|---|---|
| immune system | 60,500 | $2.93 | 20/20 |
| system immune | 60,500 | $3.45 | 20/20 |
| immune | 49,500 | $5.21 | 20/20 |
| immunologic system | 49,500 | $2.26 | 20/20 |
| immunology system | 49,500 | $2.56 | 20/20 |
| immune system function | 5,400 | $7.82 | 20/20 |
| function of the immune system | 4,400 | $1.81 | 20/20 |
| functions of the immune system | 4,400 | $1.81 | 20/20 |
| immune function | 4,400 | $2.54 | 20/20 |
| immune system functions | 4,400 | $2.16 | 20/20 |
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