Rename variable names inside your properties

RenameAttribute.cs

using UnityEngine;
#if UNITY_EDITOR

[System.AttributeUsage(System.AttributeTargets.Field)]
public class RenameAttribute : PropertyAttribute
{
    public string[] renamePairs;

    public RenameAttribute(params string[] renamePairs)
    {
        this.renamePairs = renamePairs;
    }
}
#endif

RenameDrawer.cs

using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;

[CustomPropertyDrawer(typeof(RenameAttribute))]
public class RenameDrawer : PropertyDrawer
{
    public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
    {
        EditorGUI.BeginProperty(position, label, property);

        // SerializedProperty isExpanded = property.FindPropertyRelative("isExpanded");
        
        property.isExpanded = EditorGUI.Foldout(new Rect(position.x, position.y, position.width, EditorGUIUtility.singleLineHeight), property.isExpanded, label.text, true);

        EditorGUI.indentLevel++;

        if (property.isExpanded)
        {
            RenameAttribute renameAttribute = attribute as RenameAttribute;

            foreach (string renamePair in renameAttribute.renamePairs)
            {
                string[] pair = renamePair.Split('=');

                if (pair.Length==2) {
                    
                    string originalName = pair[0].Trim();
                    string newName = pair[1].Trim();

                    SerializedProperty targetProperty = property.FindPropertyRelative(originalName);

                    if (targetProperty != null) {
                        var height = EditorGUI.GetPropertyHeight(targetProperty);
                        EditorGUI.PropertyField(new Rect(position.x, position.y + EditorGUIUtility.singleLineHeight, position.width, height), targetProperty, new GUIContent(newName));
                        position.y += height;
                    }
                }else
                {
                    Debug.LogError("Rename attribute format is incorrect. Should be \"originalName = newName\" not "+renamePair);
                }
            }
        }

        EditorGUI.indentLevel--;

        EditorGUI.EndProperty();
    }

    public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
    {
        if (property.isExpanded){

            RenameAttribute renameAttribute = attribute as RenameAttribute;
            float height = 0;

            foreach (string renamePair in renameAttribute.renamePairs)
            {
                string[] pair = renamePair.Split('=');

                if (pair.Length==2) {
                    string originalName = pair[0].Trim();
                    SerializedProperty targetProperty = property.FindPropertyRelative(originalName);
                    if (targetProperty != null)
                        height += EditorGUI.GetPropertyHeight(targetProperty);
                }
            }
            
            return EditorGUIUtility.singleLineHeight + height;

        }else
            return EditorGUIUtility.singleLineHeight;
    }
}
#endif