Google keyword planner is best tool for keyword suggestions.

Long tail keywords always have less competition, and they also have low searches comparatively.Targeting one word or two words increases the competition as they have high searches.Initially you should target long tail keywords, they are more beneficial.

use google adwards or keyword planner tool

use keyword planner tool and pick the key word with low compitition
first use long tail and then short tail

Google Keyword planner is a good place to get keywords. Also there are paid website that you can get keywords from.

Keywords that are willing to get massive traffic and that have less competition are best to go with.

Google Keyword Planner is best for suggestions of keyword

Keywords should be choosen as such having less competition but higher searches.

Should choose keywords with high searches and less competition.

Choose the lowest competition keywords with the highest search volume.
Once you notice your website ranking for medium competition keywords then you can start to target those in your posts

Why don't you use Google keyword planner? It can make your problem easiest.

If you want to suggest keyword then you can use keyword spy tools,Google Keyword Planner etc.

you are really right.

high search low competition

Try to use Google Adwords and get the best keywords from it which suits the niche of your company.

A high competition keyword needs some more time to get ranked in Google where as low competition keywords won't require much time to get indexed in Google and to rank in it as well.