The word "homeground" can be used to describe a familiar or comfortable location, but there are other words and phrases that can convey a similar meaning. For instance, "home turf" can be used to refer to an area that one is familiar with or in which they feel comfortable. "Home base" also conveys a similar idea, implying a place where a person starts or returns to. Another synonym could be "stomping grounds," referring to an area where one frequents or where they have a history. Overall, these terms all provide a sense of familiarity and security associated with a person's habitual surroundings.