Difference bw though and although
There isn't much difference between though and although. They can be considered as synonyms. However, 'although' was used to show more emphasis and meant 'even though'.
Example - Although (Even though) he was very sick, he came for the party. (used to emphasis the degree of his illness)
He came for the party though he was sick (does not emphasise the degree of the statement as the above)
Example - Although (Even though) he was very sick, he came for the party. (used to emphasis the degree of his illness)
He came for the party though he was sick (does not emphasise the degree of the statement as the above)