беҳтар: better
Аз хунукӣ гармӣ беҳтар аст.
Warmth is better than cold.
Додан аз гирифтан беҳтар аст.
To give is better than to receive.
Warmth is better than cold.
Додан аз гирифтан беҳтар аст.
To give is better than to receive.
Bonus:
Synonyms: хубтар, нағзтар
A quick google search shows that беҳтар is used more often than хубтар and нағзтар (at least on the internet).
Беҳтар is the comparitive form of беҳ (good). Synonyms for беҳ are хуб and нағз.